Fort Jackson Weather Forecast

    • 9
    • 28

    Decreasing Clouds

    • 19
    • 26

    Flurries

    • 15
    • 33

    Flurries

    • 16
    • 24

    Mostly Cloudy

    • 23
    • 31

    Chance Snow Showers

    • 15
    • 34

    Chance Snow Showers

Today 21 Dec Southwestern St. Lawrence

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 21 Dec Southwestern St. Lawrence

Partly cloudy. Lows around 11. Northwest Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Jackson Temperature Statistics

December Temperature

Massena, Massena International-Richards Field (16.8 miles)

  • Lowest 9 December, 2025

    -14.1 °F

  • Average December

    19.1 °F

  • Highest 18 December, 2025

    48.9 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (16.8 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.5 °F

  • Average High 2020–2025

    56.1 °F
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