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Temperatures

What will the lowest temperature in Chicago (CHI)(MDW)(KMDW) be?

Chicago Daily Temperature Low 2026 · Oct 30, 2026 · Trading open

$269 vol.
Show all 11 outcomes
  • Below 45
    No trades yet
    YesNo
  • Below 52
    No trades yet
    YesNo
  • Below 53
    No trades yet
    YesNo

About this market

Traders price Below 48 at 98%, ahead of Below 51 at 98%.

The market has $269 in volume across 60 trades; the most recent was on Oct 30, 2026.

Trading closes on Oct 31, 2026, 12:59 AM ET. The result is confirmed by Weather Underground.

The daily temperature low in Chicago, IL as reported by the Weather Underground for the Chicago Midway Intl Airport Station (KMDW).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/chicago-kmdw.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 48Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 48 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 51Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 51 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 50Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 50 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 49Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 49 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 46Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 46 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 47Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 47 F on October 30, 2026? (minimum) (min) (coldest).
Show rules for all 11 outcomes
  • Below 43Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 43 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 44Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 44 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 45Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 45 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 52Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 52 F on October 30, 2026? (minimum) (min) (coldest).
  • Below 53Resolves Yes if the lowest temperature in Chicago (CHI)(MDW)(KMDW) is below 53 F on October 30, 2026? (minimum) (min) (coldest).

Result confirmed by Weather Underground.

Trading opened
Oct 29, 2026
Trading closes
Oct 31, 2026, 12:59 AM ET
Expected result
Oct 31, 2026
Expected payout
Oct 30, 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.