Fort Jackson Weather Forecast

    • 61
    • 81

    Rain Showers

    • 51
    • 65

    Rain Showers Likely

    • 56
    • 73

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 62
    • 81

    Rain Showers Likely

    • 60
    • 78

    Rain Showers Likely

Today 21 Jul Southwestern St. Lawrence

Partly sunny this Morning, then Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 21 Jul Southwestern St. Lawrence

Showers. Thunderstorms Likely, mainly until midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall until midnight. Lows in the lower 60s. South Winds around 10 Mph. Gusts up to 25 Mph until midnight. Chance of rain near 100 percent.

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Fort Jackson Temperature Statistics

July Temperature

Massena, Massena International-Richards Field (16.8 miles)

  • Lowest 17 July, 2026

    51.7 °F

  • Average July

    71.7 °F

  • Highest 1 July, 2026

    91.7 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (16.8 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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