68-69°F

Decided by

The market resolves to the temperature range containing the highest temperature NOAA recorded at Los Angeles International Airport Station on 12 Oct '26.§1

Data unavailable

If NOAA data is unavailable by 11:59 PM ET the day after the observation date, the Weather Underground Daily Observations table is used.§4

No data at all

If there is no data for the observation date by 11:59 PM ET the day after, the market resolves to the lowest bracket.§5

Erroneous data

If the source publishes clearly erroneous data from technical or operational error or interference, the market may stay open up to seven calendar days for a…§10

Revisions

Revisions to temperatures in the timeframe are considered until the first datapoint for the following date is published.§13

Counted

The highest reading in the "Temp" column for all times on the observation day.§2

Source

NOAA, specifically the highest reading in the "Temp" column, at https://www.weather.gov/wrh/timeseries?site=klax.§2

Closes

Oct 12, 2026 · 12:00 UTC

Restated in plain words from the rules text. Each § opens the sentence it comes from; the rules text governs.

Shares = Yes minus No for each trader. Record counts every settled bet, including losses never cashed in. Polymarket's own contracts are left out.