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Temperatures

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

Boston Daily Temperature Low 2026 · Sep 30, 2026 · Trading closed

$106 vol.
  • Below 61$9 vol.
    85%
    Closed
  • Below 60$66 vol.
    29%
    Closed
  • Below 58$5 vol.
    26%
    Closed
  • Below 59$27 vol.
    3%
    Closed
  • Below 52
    No trades yet
    Closed
  • Below 53
    No trades yet
    Closed
  • Below 54
    No trades yet
    Closed
  • Below 55
    No trades yet
    Closed
Show all 11 outcomes
  • Below 56
    No trades yet
    Closed
  • Below 57
    No trades yet
    Closed
  • Below 62
    No trades yet
    Closed

About this market

Traders last priced Below 61 at 85%, ahead of Below 60 at 29%.

The market has $106 in volume across 30 trades; the most recent was on Oct 1, 2026.

Trading closed on Sep 30, 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 61Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 61 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 60Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 60 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 58Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 58 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 59Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 59 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 52Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 52 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 53Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 53 F on September 30, 2026? (minimum) (min) (coldest).
Show rules for all 11 outcomes
  • Below 54Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 54 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 55Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 55 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 56Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 56 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 57Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 57 F on September 30, 2026? (minimum) (min) (coldest).
  • Below 62Resolves Yes if the lowest temperature in Boston (BOS)(KBOS) is below 62 F on September 30, 2026? (minimum) (min) (coldest).

Result confirmed by Weather Underground.

Trading opened
Sep 29, 2026
Trading closed
Sep 30, 2026, 11:59 PM ET
Expected result
Oct 1, 2026
Expected payout
Sep 30, 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.