---
title: "Precipitation in London in October?"
canonical_url: https://betcrypto.now/events/precipitation-in-london-in-october
status: live
trading_closes_at: 2027-01-08T04:59:00+00:00
total_volume_usd: 10476.9
venues: ["Polymarket"]
categories: ["Tech & Science"]
prices_as_of: 2026-10-09T09:14:34+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/precipitation-in-london-in-october
---

# Precipitation in London in October?

Live · $10,477 traded · listed on Polymarket

## About

This market will resolve according to the total precipitation in mm at Heathrow (London Airport) in October, 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 October 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 October 2026 is released.

If the relevant data is not available by January 7, 2027, 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.

_From Polymarket's listing._

## Main market

| Outcome | Probability | Cheapest | Polymarket |
|---|---|---|---|
| <35mm | 22% | 29¢ on Polymarket | 29¢ |
| 35-45mm | 9% | 12¢ on Polymarket | 12¢ |
| 45-60mm | 23% | 26¢ on Polymarket | 26¢ |
| 60-70mm | 23% | 26¢ on Polymarket | 26¢ |
| 70-85mm | 19% | 23¢ on Polymarket | 23¢ |
| 85-110mm | 12% | 12¢ on Polymarket | 12¢ |
| 110mm+ | 9% | 15¢ on Polymarket | 15¢ |

## Open on a venue

- [Polymarket](https://betcrypto.now/go/e/669413?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/precipitation-in-london-in-october.

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