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Temperatures

What will the lowest temperature in Seattle (SEA)(KSEA) be?

Seattle Daily Temperature Low 2026 · Oct 31, 2026 · Trading open

$12 vol.
Show all 11 outcomes
  • Below 37
    No trades yet
    YesNo
  • Below 41
    No trades yet
    YesNo
  • Below 42
    No trades yet
    YesNo

About this market

Traders price Below 40 at 58%, ahead of Below 39 at 25%.

The market has $12 in volume across 4 trades; the most recent was on Oct 30, 2026.

Trading closes on Nov 1, 2026, 1:59 AM ET. The result is confirmed by Weather Underground.

The daily temperature low in Seattle, WA as reported by the Weather Underground for the Seattle-Tacoma Intl Airport Station (KSEA).Disregard the large red and blue numbers at the top of the new Weather Underground website above the Observations table, as they are not the daily high and low temperatures used by Forecastex. Instead, click the green banner to access the old Weather Underground site and use the original summary table. Alternatively, use the Daily Observations table to identify the highest and lowest temperatures recorded that day. For more research and information on these markets, visit the Weather, Climate & Energy Analysis and Decision Support Website: https://weather.weatherclimatehumansystems.org/seattle-ksea.html

Rules and timeline

Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.

  • Below 40Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 40 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 39Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 39 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 38Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 38 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 32Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 32 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 33Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 33 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 34Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 34 F on October 31, 2026? (minimum) (min) (coldest).
Show rules for all 11 outcomes
  • Below 35Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 35 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 36Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 36 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 37Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 37 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 41Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 41 F on October 31, 2026? (minimum) (min) (coldest).
  • Below 42Resolves Yes if the lowest temperature in Seattle (SEA)(KSEA) is below 42 F on October 31, 2026? (minimum) (min) (coldest).

Result confirmed by Weather Underground.

Trading opened
Oct 30, 2026
Trading closes
Nov 1, 2026, 1:59 AM ET
Expected result
Nov 1, 2026
Expected payout
Nov 1, 2026

Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.