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Temperatures

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

Boston Daily Temperature Low 2026 · Nov 9, 2026 · Trading open

$27 vol.
Show all 11 outcomes
  • Below 45
    No trades yet
    YesNo
  • Below 50
    No trades yet
    YesNo
  • Below 51
    No trades yet
    YesNo

About this market

Traders price Below 49 at 82%, ahead of Below 48 at 56%.

The market has $27 in volume across 8 trades; the most recent was on Nov 8, 2026.

Trading closes on Nov 9, 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 49Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 49 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 48Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 48 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 47Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 47 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 46Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 46 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 41Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 41 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 42Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 42 F on November 9, 2026? (minimum) (min) (coldest).
Show rules for all 11 outcomes
  • Below 43Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 43 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 44Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 44 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 45Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 45 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 50Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 50 F on November 9, 2026? (minimum) (min) (coldest).
  • Below 51Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 51 F on November 9, 2026? (minimum) (min) (coldest).

Result confirmed by Weather Underground.

Trading opened
Nov 8, 2026
Trading closes
Nov 9, 2026, 11:59 PM ET
Expected result
Nov 10, 2026
Expected payout
Nov 9, 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.