PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
<30mm 25%+6.0ptLeader of 7 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
66 / 100
Medium quality24h Volume
$551.6
Liquidity
$11.1K
Medium liquiditySpread
2.0 pt
Moderate spreadComments
0
7d Change
+20.5 pts
Market data
Updated 4 minutes ago
Aug 31, 26, 1:41 PM UTCOct 1, 26, 3:59 AM UTC
Trends
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market will resolve according to the total precipitation in mm at Heathrow (London Airport) in September, 2026, according to the Met Office.
- If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.
- The resolution source for this market will be the Met Office, specifically the figure for September 2026 under "rain mm" at the https://www.metoffice.gov.uk/pub/data/weather/uk/climate/stationdata/heathrowdata.txt link once the Provisional figure for the whole month of September 2026 is released.
- If the relevant data is not available by December 7, 2026, 11:59 PM ET, another credible resolution source will be chosen.
- The resolution source for this market measures precipitation to 1 decimal place (e.g., 1.5), thus, this is the level of precision that will be used when resolving this market.
- Any revisions to precipitation recorded after Provisional data is released for this market's timeframe will not be considered for this market's resolution.
Open markets
Weather
KALSHIHighest temperature in Los Angeles on Sep 8, 2026?
- 88° to 89°+7.0pt33.6%
- 90° or above+18.0pt32.7%
- 86° to 87°-13.0pt23.1%
+3 more outcomes
- Total Vol
- $274.9K
- 24h Vol
- $267.9K
KALSHIWhere will it rain on Sep 8, 2026?
- Houston+69.0pt99%
- Minneapolis+6.0pt99%
- Los Angeles+71.0pt75%
+19 more outcomes
- Total Vol
- $229.5K
KALSHIHighest temperature in Miami on Sep 8, 2026?
- 92° to 93°+43.0pt89.3%
- 94° or above+2.0pt6.8%
- 90° to 91°-36.0pt1%
+3 more outcomes
- Total Vol
KALSHIHighest temperature in New York City on Sep 8, 2026?
- 80° to 81°+25.0pt70.9%
- 82° to 83°-15.0pt22.3%
- 79° or below-4.0pt3.9%
+3 more outcomes
- Total Vol
POLYMARKETHighest temperature in Chengdu on September 9?
- 27°C+60.0pt93.9%
- 28°C-13.5pt6.1%
- 21°C or below-1.4pt0%
+8 more outcomes
KALSHIWill a hurricane make landfall in Hawaii in 2026?
- No92%
- Yes-7.0pt8%
- Total Vol
- $77.5K
- 24h Vol
- $33.2K
- Highest temperature in Chicago on Sep 8, 2026?
- Highest temperature in Munich on September 9?
- Highest temperature in Austin on Sep 8, 2026?
- Highest temperature in Minneapolis on Sep 8, 2026?
- Largest IPO by market cap in 2026?
- Highest temperature in Tokyo on September 9?
- Highest temperature in San Francisco on Sep 8, 2026?
- Highest temperature in Philadelphia on Sep 8, 2026?
- Highest temperature in Houston on Sep 8, 2026?
- Highest temperature in Dallas on Sep 8, 2026?
- Highest temperature in Boston on Sep 8, 2026?
Frequently asked questions
- What are the current odds for Precipitation in London in September??
- Polymarket prices <30mm at 25% as of September 8, 2026.
- When does Precipitation in London in September? resolve?
- Precipitation in London in September? is scheduled to resolve on October 1, 2026.
- How is Precipitation in London in September? settled?
- Polymarket settles this market as follows: This market will resolve according to the total precipitation in mm at Heathrow (London Airport) in September, 2026, according to the Met Office.