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Temperatures

What will the lowest temperature in Boston (BOS)(KBOS) be?

Boston Daily Temperature Low 2026 · Oct 29, 2026 · Trading closed

$160 vol.
  • Below 45$2 vol.
    18%
    Closed
  • Below 46$8 vol.
    4%
    Closed
  • Below 49$66 vol.
    4%
    Closed
  • Below 47$29 vol.
    3%
    Closed
  • Below 48$56 vol.
    3%
    Closed
  • Below 41
    No trades yet
    Closed
  • Below 42
    No trades yet
    Closed
  • Below 43
    No trades yet
    Closed
Show all 11 outcomes
  • Below 44
    No trades yet
    Closed
  • Below 50
    No trades yet
    Closed
  • Below 51
    No trades yet
    Closed

About this market

Traders last priced Below 45 at 18%, ahead of Below 46 at 4%.

The market has $160 in volume across 47 trades; the most recent was on Oct 29, 2026.

Trading closed on Oct 29, 2026, 11:59 PM ET. The result is confirmed by Weather Underground.

The daily temperature low in Boston, MA as reported by the Weather Underground for the Logan Intl Airport Station (KBOS).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/boston-kbos.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 45Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 45 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 46Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 46 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 49Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 49 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 47Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 47 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 48Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 48 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 41Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 41 F on October 29, 2026? (minimum) (min) (coldest).
Show rules for all 11 outcomes
  • Below 42Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 42 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 43Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 43 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 44Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 44 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 50Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 50 F on October 29, 2026? (minimum) (min) (coldest).
  • Below 51Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 51 F on October 29, 2026? (minimum) (min) (coldest).

Result confirmed by Weather Underground.

Trading opened
Oct 28, 2026
Trading closed
Oct 29, 2026, 11:59 PM ET
Expected result
Oct 30, 2026
Expected payout
Oct 29, 2026

More Boston Daily Temperature Low markets

Other dates in this series

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.