Theresa Weather Forecast

    • 25
    • 38

    Chance Snow Showers

    • 28
    • 42

    Rain/Snow Likely

    • 30
    • 41

    Chance Rain/Snow

    • 20
    • 40

    Chance Rain/Snow

    • 16
    • 33

    Partly Sunny

    • 22
    • 37

    Slight Chance Snow Showers

Today 19 Mar Jefferson

Mostly cloudy. A chance of snow Showers. Highs in the upper 30s. South Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph. Chance of snow 50 percent.

Tonight 19 Mar Jefferson

Cloudy. Near steady Temperatures Ranging from the upper 20s across the tug hill to the lower 30s along the lake Ontario shore. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Theresa Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    0 °F

  • Average March

    35.2 °F

  • Highest 9 March, 2026

    67.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    56.1 °F
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