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536 events

KalshiPolymarketOn both venues
MarketChance24hBest priceVolume 24h
Rain in Dallas in Sep 2026?Above 1 inchWeatherEnds Sep 30, 202623%—Kalshi31¢$212
This Sep 2026 is the hottest September ever?WeatherEnds Oct 15, 202612%—Kalshi12¢$212
Lowest temperature in San Francisco on September 17?60-61°FWeatherStarts Thu, Sep 17, 3:00 AM ET50%—Polymarket62¢$211
Lowest temperature in Phoenix on Sep 17, 2026?78° or aboveWeatherEnds Sep 18, 202644%—Kalshi48¢$203
Lowest daily Arctic sea ice extent in summer 2026Below 4.5 million sq kmWeatherEnds Oct 1, 20265%—Kalshi7¢$202
Measles cases in U.S. by September 30?3700+WeatherEnds Sep 30, 202619%—Polymarket20¢$197
Lowest temperature in Los Angeles on September 18?55°F or belowWeatherStarts Fri, Sep 18, 3:00 AM ET70%—Polymarket70¢$197
Lowest temperature in Houston on Sep 17, 2026?79° to 80°WeatherEnds Sep 18, 202650%—Kalshi53¢$193
What will be the name of the first hurricane in the Atlantic this year?FayWeatherEnds Dec 1, 202638%—Kalshi38¢$193
Lowest temperature in Wuhan on September 18?14°C or belowWeatherStarts Thu, Sep 17, 12:00 PM ET76%—Polymarket76¢$187
Lowest temperature in San Francisco on September 18?58-59°FWeatherStarts Fri, Sep 18, 3:00 AM ET50%—Polymarket52¢$174
Lowest temperature in Los Angeles on September 17?74°F or higherWeatherStarts Thu, Sep 17, 3:00 AM ET84%—Polymarket83.9¢$171
How many 6.5 or above earthquakes worldwide September 14 - September 20?0WeatherEnds Sep 21, 202659%—Polymarket59¢$170
Lowest temperature in Seattle on Sep 17, 2026?53° to 54°WeatherEnds Sep 18, 202658%—Kalshi66¢$143
Highest temperature in Toronto on September 18?22°CWeatherStarts Fri, Sep 18, 12:00 AM ET36%—Polymarket38¢$143
Lowest temperature in Toronto on September 17?21°C or higherWeatherStarts Thu, Sep 17, 12:00 AM ET61%—Polymarket61¢$142
Lowest temperature in Trenton on Sep 17, 2026?66° to 67°WeatherEnds Sep 18, 202651%—Kalshi55¢$139
Precipitation in London in September?<30mmWeatherEnds Sep 30, 202646%—Polymarket49¢$137
What will the peak RONI value be during the 2026-27 El Niño season?2.5°C to 2.9°CWeatherEnds Aug 15, 202751%—Kalshi53¢$130
Lowest temperature in Seattle on September 17?54-55°FWeatherStarts Thu, Sep 17, 3:00 AM ET53%—Polymarket59¢$130
10.0 or above earthquake before 2027?WeatherEnds Dec 31, 20261%—Polymarket1.4¢$124
What named storms will be hurricanes in the Eastern Pacific this year?LowellWeatherEnds Jul 29, 20263%—Kalshi4¢$123
Lowest temperature in San Francisco on Sep 17, 2026?60° to 61°WeatherEnds Sep 18, 202655%—Kalshi59¢$123
Min Arctic sea ice extent this summer?4.4-4.6m sq kmWeatherEnds Sep 30, 202697%—Polymarket97.8¢$120
Lowest temperature in Denver on Sep 17, 2026?60° to 61°WeatherEnds Sep 18, 202636%—Kalshi41¢$120
Lowest temperature in New Orleans on Sep 17, 2026?76° to 77°WeatherEnds Sep 18, 202646%—Kalshi50¢$108
Will the Climate Clock's 1.5°C deadline change by...?WeatherEnds Dec 31, 202610%—Polymarket10¢$104
Lowest temperature in Louisville on Sep 17, 2026?77° or aboveWeatherEnds Sep 18, 202649%—Kalshi57¢$103
Lowest temperature in Chicago on September 17?66-67°FWeatherStarts Thu, Sep 17, 1:00 AM ET48%—Polymarket51¢$99
Lowest temperature in San Antonio on Sep 17, 2026?77° to 78°WeatherEnds Sep 18, 202646%—Kalshi52¢$99
How strong of an earthquake will occur worldwide by September 30?7.0+WeatherEnds Oct 3, 202645%—Polymarket47¢$96
Lowest temperature in Mexico City on September 18?14°CWeatherStarts Fri, Sep 18, 2:00 AM ET46%—Polymarket50¢$95
How strong of an earthquake will occur worldwide before Oct 1, 2026?7.0+WeatherEnds Sep 30, 202652%—Kalshi53¢$94
Lake Mead end-of-month water elevation in Dec 2026?Above 1039 FtWeatherEnds Jan 7, 202721%—Kalshi25¢$86
Highest temperature in San Diego on Sep 17, 2026?76° to 77°WeatherEnds Sep 18, 202649%—Kalshi53¢$86
Number of tropical storms in the Atlantic in 2026?Above 10WeatherEnds Dec 1, 202628%—Kalshi29¢$83
Highest temperature in San Francisco on September 18?70-71°FWeatherStarts Fri, Sep 18, 3:00 AM ET33%—Polymarket45¢$72
Will there be an 8 magnitude earthquake in California before 2027?WeatherEnds Dec 31, 20265%—Kalshi5¢$72
Highest temperature in Trenton on Sep 17, 2026?84° to 85°WeatherEnds Sep 18, 202645%—Kalshi51¢$68
Lowest temperature in San Diego on Sep 17, 2026?68° or aboveWeatherEnds Sep 18, 202674%—Kalshi79¢$61
Lowest temperature in Shenzhen on September 18?25°CWeatherStarts Thu, Sep 17, 12:00 PM ET62%—Polymarket62¢$60
Highest temperature in Newark on Sep 17, 2026?84° to 85°WeatherEnds Sep 18, 202640%—Kalshi45¢$58
Lowest temperature in Buenos Aires on September 17?6°C or belowWeatherStarts Wed, Sep 16, 11:00 PM ET95%—Polymarket95¢$53
Highest temperature in Louisville on Sep 17, 2026?96° to 97°WeatherEnds Sep 18, 202667%—Kalshi73¢$53
When will Stowe Mountain Resort open for the 26/27 winter season?Before Nov 22, 2026WeatherEnds Nov 14, 202671%—Kalshi78¢$49
Will the 2026–27 El Niño be the strongest on record?WeatherEnds Mar 31, 202772%—Polymarket72¢$47
How low will Lake Mead drop?Below 1,028 ftWeatherEnds Apr 15, 202746%—Polymarket46¢$39
Hantavirus pandemic in 2026?WeatherEnds Dec 31, 20263%—Polymarket2.6¢$35
Lowest temperature in Warsaw on September 18?15°C or higherWeatherStarts Thu, Sep 17, 6:00 PM ET71%—Polymarket71¢$32
Lowest temperature in Houston on September 18?76-77°FWeatherStarts Fri, Sep 18, 1:00 AM ET40%—Polymarket40¢$30
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