Theresa Weather Forecast

    • 12
    • 23

    Chance Snow Showers

    • 22
    • 29

    Chance Rain/Snow

    • 24
    • 37

    Chance Rain Showers

    • 27
    • 42

    Rain/Snow

    • 8
    • 37

    Chance Snow Showers

    • 22
    • 33

    Chance Snow Showers

    • 13
    • 33

    Chance Snow Showers

Today 15 Dec Jefferson

Snow likely Early, then lake effect snow late. Snow may be heavy at Times late. Accumulation 2 to 4 Inches in the most persistent Snows. Windy with Highs Ranging from the lower 20s inland to the upper 20s along the lake Ontario shore. Light Winds, becoming southwest 20 to 30 Mph. Chance of snow near 100 percent.

Tonight 15 Dec Jefferson

Lake effect snow. Snow may be heavy at Times through the early overnight. Additional accumulation 7 to 13 Inches in the most persistent Snows. Windy with Lows 10 to 15. West Winds 20 to 30 Mph, becoming light. Chance of snow near 100 percent.

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Theresa Temperature Statistics

December Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (11.8 miles)

  • Lowest 5 December, 2025

    -2.6 °F

  • Average December

    20.3 °F

  • Highest 10 December, 2025

    35.8 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (11.8 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.1 °F
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