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PredictMarketCapPredictMarketCap
Data from Polymarket, Kalshi, Limitless, Predict.fun & Hyperliquid. Some links on this site are referral or affiliate links — we may earn a commission when you sign up or trade, at no cost to you.
Total Active Markets
Count of all non-resolved markets currently tracked across Polymarket, Kalshi, Limitless, and Predict.fun.
187,241
Total Volume
Lifetime trading volume across all platforms. Polymarket and Kalshi report volume directly; Limitless volume is cumulative USDC traded. Predict.fun volume is measured on-chain from BSC fills (each trade counted once), from the date we began tracking.
$7.20B$7,201,187,222
24h Volume
24-hour trading volume. Polymarket and Kalshi report this directly. Predict.fun 24h volume is measured on-chain. Limitless does not break out 24h volume separately, so it is not included.
$401.67M$401,667,751
Total Open Interest
Polymarket: sum of pool liquidity. Kalshi: open interest (contracts outstanding). Limitless: uses total volume as a proxy — no separate OI metric is available. Predict.fun: not included.
$1.91B$1,913,795,181
By venuePMPolymarket$989,129,823OIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.KLKalshi$907,076,553OIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.PFPredict.fun$13,485,336OIEstimated from visible orderbook depth (top-of-book bid/ask dollars). Volume is measured on-chain from BSC fills.HLHyperliquid$633,34124h vol24h volume measured by us from Hyperliquid’s own per-interval trading data since we began tracking each market — not a venue-reported figure. It is an estimate: Hyperliquid publishes share volume rather than dollars traded, so each interval is priced at its average. Open interest is not available over the public API.LMLimitless$4,103,469OIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.

Weather Prediction Markets

Real-money weather forecasts from prediction markets. 200 active markets across 62 cities.

Los Angeles

8 active weather markets

Sep 9, 2026
Most likely: 94° or above
99%Sep 9
September 10
Most likely: 76-77°F
60%Sep 10
September 10
Most likely: 88-89°F
55%Sep 10
Sep 9, 2026
Most likely: 93° or above
99%Sep 10
Sep 9, 2026
Most likely: 76° or above
82%Sep 10
September 11
Most likely: 82-83°F
60%Sep 11
Sep 10, 2026
Most likely: 76° or above
54%Sep 11
Sep 10, 2026
Most likely: 91° or above
67%Sep 11

Miami

7 active weather markets

September 10
Most likely: 78-79°F
67%Sep 10
September 10
Most likely: 98°F or higher
100%Sep 10
September 10
Most likely: 88-89°F
56%Sep 10
Sep 9, 2026
Most likely: 89° to 90°
71%Sep 10

Seattle

7 active weather markets

Temperature
September 10
Most likely: 76-77°F
100%Sep 10
September 10
Most likely: 68-69°F
51%Sep 10
Sep 9, 2026
Most likely: 78° to 79°
59%Sep 10
Sep 9, 2026
Most likely: 54° to 55°

Houston

7 active weather markets

September 10
Most likely: 82-83°F
100%Sep 10
September 10
Most likely: 94-95°F
92%Sep 10
Sep 9, 2026
Most likely: 90° to 91°
53%Sep 10
Sep 9, 2026
Most likely: 79° to 80°
83%Sep 10

Denver

7 active weather markets

September 10
Most likely: 92-93°F
86%Sep 10
Sep 9, 2026
Most likely: 56° to 57°
82%Sep 10
Sep 9, 2026
Most likely: 80° to 81°
57%Sep 10
September 11
Most likely: 88-89°F
86%Sep 11

London

6 active weather markets

Temperature
September 10
Most likely: 12°C
53%Sep 10
September 10
Most likely: 21°C
51%Sep 10
September 10
Most likely: 25°C
100%Sep 10
September 11
Most likely: 16°C or below

Dallas

6 active weather markets

September 10
Most likely: 96-97°F
90%Sep 10
Sep 9, 2026
Most likely: 100° to 101°
79%Sep 10
Sep 9, 2026
Most likely: 81° to 82°
97%Sep 10
Sep 10, 2026
Most likely: 99° to 100°
57%Sep 11

San Francisco

6 active weather markets

September 10
Most likely: 62-63°F
52%Sep 10
September 10
Most likely: 80-81°F
71%Sep 10
Sep 9, 2026
Most likely: 92° or above
72%Sep 10
Sep 9, 2026
Most likely: 66° to 67°
96%Sep 10

Austin

5 active weather markets

September 9
Most likely: 74-75°F
92%Sep 9
September 10
Most likely: 98-99°F
70%Sep 10
Sep 9, 2026
Most likely: 75° to 76°
75%Sep 10
Sep 9, 2026
Most likely: 100° to 101°
55%Sep 10

Hong Kong

5 active weather markets

Temperature
September 10
Most likely: 26°C or below
100%Sep 10
September 10
Most likely: 26°C
53%Sep 10
September 10
Most likely: 31°C
65%Sep 10
September 11
Most likely: 26°C or below

Atlanta

5 active weather markets

September 10
Most likely: 90-91°F
53%Sep 10
Sep 9, 2026
Most likely: 71° to 72°
99%Sep 10
Sep 9, 2026
Most likely: 90° to 91°
84%Sep 10
Sep 10, 2026
Most likely: 72° to 73°
60%Sep 11

Paris

5 active weather markets

September 10
Most likely: 17°C or below
100%Sep 10
September 10
Most likely: 22°C
63%Sep 10
September 10
Most likely: 9°C
62%Sep 10
September 11
Most likely: 25°C
73%Sep 11

Chicago

5 active weather markets

September 10
Most likely: 78-79°F
52%Sep 10
September 10
Most likely: 86-87°F
100%Sep 10
Sep 9, 2026
Most likely: 82° to 83°
61%Sep 10
Sep 9, 2026
Most likely: 70° to 71°
57%Sep 10

San Diego

5 active weather markets

Sep 9, 2026
Most likely: 74° to 75°
95%Sep 10
Sep 9, 2026
Most likely: 92° to 93°
83%Sep 10
Sep 10, 2026
Most likely: 85° to 86°
99%Sep 11
Sep 10, 2026
Most likely: 72° to 73°
97%Sep 11

Las Vegas

5 active weather markets

Sep 9, 2026
Most likely: 80° to 81°
97%Sep 10
Sep 9, 2026
Most likely: 105° to 106°
68%Sep 10
Sep 10, 2026
Most likely: 82° to 83°
71%Sep 11
Sep 10, 2026
Most likely: 107° to 108°
63%Sep 11

New York City

4 active weather markets

Sep 9, 2026
Most likely: 78° or above
99%Sep 9
Sep 9, 2026
Most likely: 83° or below
99%Sep 10
Sep 9, 2026
Most likely: 68° to 69°
99%Sep 10
Sep 10, 2026
Most likely: 85° to 86°
57%Sep 11

Shenzhen

4 active weather markets

September 10
Most likely: 28°C
100%Sep 10
September 10
Most likely: 32°C
74%Sep 10
September 11
Most likely: 26°C or below
100%Sep 11
September 11
Most likely: 29°C
96%Sep 11

Shanghai

4 active weather markets

September 10
Most likely: 28°C
53%Sep 10
September 10
Most likely: 26°C
100%Sep 10
September 10
Most likely: 21°C
54%Sep 10
September 11
Most likely: 25°C or below
100%Sep 11

Tokyo

4 active weather markets

September 10
Most likely: 19°C
78%Sep 10
September 10
Most likely: 22°C
57%Sep 10
September 10
Most likely: 27°C or higher
100%Sep 10
September 11
Most likely: 18°C
100%Sep 11

NYC

4 active weather markets

Temperature
September 10
Most likely: 88-89°F
66%Sep 10
September 10
Most likely: 94°F or higher
100%Sep 10
September 11
Most likely: 74-75°F
100%Sep 11
Rain
Precipitation in NYC in September?

Phoenix

4 active weather markets

Sep 9, 2026
Most likely: 89° or above
97%Sep 10
Sep 9, 2026
Most likely: 106° to 107°
59%Sep 10
Sep 10, 2026
Most likely: 90° or above
51%Sep 11
Sep 7, 2026
Most likely: 5+ consecutive days
99%Sep 15

New Orleans

4 active weather markets

Sep 9, 2026
Most likely: 90° to 91°
75%Sep 10
Sep 9, 2026
Most likely: 78° to 79°
91%Sep 10
Sep 10, 2026
Most likely: 88° to 89°
60%Sep 11
Sep 7, 2026
Most likely: 4+ consecutive days
100%Sep 15

Trenton

4 active weather markets

Sep 9, 2026
Most likely: 61° to 62°
99%Sep 10
Sep 9, 2026
Most likely: 84° to 85°
94%Sep 10
Sep 10, 2026
Most likely: 87° to 88°
95%Sep 11
Sep 10, 2026
Most likely: 72° to 73°
97%Sep 11

Newark

4 active weather markets

Sep 9, 2026
Most likely: 65° to 66°
99%Sep 10
Sep 9, 2026
Most likely: 86° or below
68%Sep 10
Sep 10, 2026
Most likely: 85° to 86°
96%Sep 11
Sep 10, 2026
Most likely: 70° to 71°
97%Sep 11

Oklahoma City

4 active weather markets

Sep 9, 2026
Most likely: 77° to 78°
80%Sep 10
Sep 9, 2026
Most likely: 101° to 102°
50%Sep 10
Sep 10, 2026
Most likely: 87° to 88°
75%Sep 11
Sep 7, 2026
Most likely: 6+ consecutive days
75%Sep 15

Minneapolis

4 active weather markets

Sep 9, 2026
Most likely: 82° to 83°
61%Sep 10
Sep 9, 2026
Most likely: 63° to 64°
85%Sep 10
Sep 10, 2026
Most likely: 82° to 83°
55%Sep 11
Sep 10, 2026
Most likely: 58° to 59°
55%Sep 11

Busan

3 active weather markets

September 10
Most likely: 20°C
71%Sep 10
September 10
Most likely: 26°C
56%Sep 10
September 11
Most likely: 30°C
97%Sep 11

Taipei

3 active weather markets

September 10
Most likely: 30°C
69%Sep 10
September 10
Most likely: 34°C
100%Sep 10
September 11
Most likely: 24°C or below
100%Sep 11

Boston

3 active weather markets

Sep 9, 2026
Most likely: 60° to 61°
98%Sep 10
Sep 9, 2026
Most likely: 76° to 77°
65%Sep 10
Sep 10, 2026
Most likely: 86° to 87°
57%Sep 11

San Antonio

3 active weather markets

Sep 9, 2026
Most likely: 78° to 79°
93%Sep 10
Sep 9, 2026
Most likely: 97° to 98°
63%Sep 10
Sep 10, 2026
Most likely: 97° to 98°
60%Sep 11

Warsaw

2 active weather markets

September 9
Most likely: 11°C or below
100%Sep 9
September 10
Most likely: 19°C
57%Sep 10

Cape Town

2 active weather markets

September 10
Most likely: 19°C
60%Sep 10
September 11
Most likely: 18°C
95%Sep 11

Qingdao

2 active weather markets

September 10
Most likely: 18°C
100%Sep 10
September 10
Most likely: 28°C
58%Sep 10

Wuhan

2 active weather markets

September 10
Most likely: 25°C
100%Sep 10
September 10
Most likely: 26°C
65%Sep 10

Madrid

2 active weather markets

September 10
Most likely: 27°C
74%Sep 10
September 11
Most likely: 29°C
92%Sep 11

Chongqing

2 active weather markets

September 10
Most likely: 30°C
95%Sep 10
September 11
Most likely: 29°C
96%Sep 11

Buenos Aires

2 active weather markets

September 10
Most likely: 23°C
95%Sep 10
September 11
Most likely: 17°C
76%Sep 11

Manila

2 active weather markets

September 10
Most likely: 30°C
72%Sep 10
September 10
Most likely: 21°C
98%Sep 10

Wellington

2 active weather markets

September 10
Most likely: 14°C
59%Sep 10
September 11
Most likely: 15°C
60%Sep 11

Beijing

2 active weather markets

September 10
Most likely: 30°C
59%Sep 10
September 11
Most likely: 31°C
52%Sep 11

Moscow

2 active weather markets

September 10
Most likely: 28°C or higher
99%Sep 10
September 11
Most likely: 14°C
96%Sep 11

Ankara

2 active weather markets

September 10
Most likely: 16°C
92%Sep 10
September 10
Most likely: 30°C
66%Sep 10

Philadelphia

2 active weather markets

Sep 9, 2026
Most likely: 69° or above
99%Sep 10
Sep 9, 2026
Most likely: 88° to 89°
62%Sep 10

Louisville

2 active weather markets

Sep 9, 2026
Most likely: 69° to 70°
100%Sep 10
Sep 9, 2026
Most likely: 92° to 93°
100%Sep 10

Washington DC

2 active weather markets

Sep 9, 2026
Most likely: 88° to 89°
63%Sep 10
Sep 9, 2026
Most likely: 70° or above
99%Sep 10

Tel Aviv

1 active weather market

September 10
Most likely: 32°C
63%Sep 10

Singapore

1 active weather market

September 10
Most likely: 32°C
66%Sep 10

Amsterdam

1 active weather market

September 10
Most likely: 19°C
55%Sep 10

Karachi

1 active weather market

September 10
Most likely: 32°C
56%Sep 10

Chengdu

1 active weather market

September 10
Most likely: 22°C
74%Sep 10

Guangzhou

1 active weather market

September 10
Most likely: 33°C
53%Sep 10

Mexico City

1 active weather market

September 10
Most likely: 26°C
79%Sep 10

Kuala Lumpur

1 active weather market

September 10
Most likely: 33°C
79%Sep 10

Toronto

1 active weather market

September 10
Most likely: 24°C
54%Sep 10

Panama City

1 active weather market

September 10
Most likely: 31°C
76%Sep 10

Milan

1 active weather market

September 10
Most likely: 20°C
76%Sep 10

Lucknow

1 active weather market

September 10
Most likely: 34°C
73%Sep 10

Jeddah

1 active weather market

September 10
Most likely: 38°C
62%Sep 10

Istanbul

1 active weather market

September 10
Most likely: 23°C
98%Sep 10

Helsinki

1 active weather market

September 10
Most likely: 17°C
60%Sep 10

Munich

1 active weather market

September 10
Most likely: 19°C
56%Sep 10

Seoul

1 active weather market

Precipitation in Seoul in September?
Most likely: <75mm
76%Sep 30

Other

8 active weather markets

September 10
Most likely: 17°C
54%Sep 10
September 10
Most likely: 24°C
56%Sep 10
September 10
Most likely: 21°C
100%Sep 10
September 11
Most likely: 21°C
100%Sep 11

About Weather Prediction Markets

Weather prediction markets let traders buy and sell contracts on future weather outcomes — temperature thresholds, rainfall, snowfall, and more. Prices reflect the market's probability estimate for each outcome, creating a crowd-sourced weather forecast backed by real money.

Unlike traditional weather forecasts from the National Weather Service or private providers, prediction market forecasts aggregate information from many participants who have financial incentives to be accurate. This "wisdom of crowds" approach can surface local knowledge and contrarian views that automated models might miss.

Most weather prediction markets are listed on Kalshi, a CFTC-regulated exchange. Markets typically cover a 3-10 day forecast window and resolve based on official weather station data. PredictMarketCap tracks all active weather markets and organizes them by city and weather type so you can quickly find the forecast you're looking for.

Explore More Markets

Politics
Elections & policy
Sports
NBA, NFL, MLB & more
Crypto
Bitcoin & Ethereum
Economics
Fed rates & inflation
Sep 9, 2026
Most likely: 79° to 80°
64%Sep 10
September 11
Most likely: 84-85°F
100%Sep 11
Sep 10, 2026
Most likely: 90° to 91°
51%Sep 11
78%
Sep 10
September 11
Most likely: 64-65°F
100%Sep 11
Sep 10, 2026
Most likely: 71° to 72°
58%Sep 11
Rain
Precipitation in Seattle in September?
Most likely: 1-1.5"
81%Sep 30
September 11
Most likely: 79°F or below
100%Sep 11
Sep 10, 2026
Most likely: 91° to 92°
62%Sep 11
Sep 7, 2026
Most likely: 2+ consecutive days
99%Sep 15
Sep 10, 2026
Most likely: 88° to 89°
59%Sep 11
Sep 10, 2026
Most likely: 54° to 55°
70%Sep 11
Sep 7, 2026
Most likely: 6+ consecutive days
100%Sep 15
100%Sep 11
September 11
Most likely: 23°C
62%Sep 11
Rain
Precipitation in London in September?
Most likely: <30mm
79%Sep 30
Sep 10, 2026
Most likely: 79° to 80°
72%Sep 11
Sep 7, 2026
Most likely: 2+ consecutive days
90%Sep 15
Sep 10, 2026
Most likely: 84° or above
70%Sep 11
Sep 10, 2026
Most likely: 66° or above
51%Sep 11
Sep 7, 2026
Most likely: 4+ consecutive days
72%Sep 15
100%Sep 11
Rain
Precipitation in Hong Kong in September?
Most likely: <275mm
69%Sep 30
Sep 10, 2026
Most likely: 92° to 93°
55%Sep 11
September 11
Most likely: 19°C or below
100%Sep 11
September 11
Most likely: 71°F or below
100%Sep 11
Sep 7, 2026
Most likely: 2+ consecutive days
92%Sep 15
Sep 7, 2026
Most likely: 2+ consecutive days
76%Sep 15
Most likely: 3-4"
78%Sep 30
September 11
Most likely: 20°C or below
100%Sep 11
Sep 7, 2026
Most likely: 6+ consecutive days
70%Sep 15
August 20
Most likely: 0-20
52%Sep 15
Aug 20
Most likely: 1.30001 or above
93%Sep 17