Theresa Weather Forecast

    • 55
    • 74

    Rain Showers

    • 51
    • 74

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

    • 58
    • 81

    Rain Showers

    • 53
    • 73

    Rain Showers Likely

    • 52
    • 71

    Chance Rain Showers

Today 19 Aug Jefferson

Showers late this Morning, then Showers with a chance of Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 19 Aug Jefferson

Partly cloudy. A chance of Showers in the evening. Some patchy fog developing overnight. Lows Ranging from the mid 50s across the tug hill to the upper 50s along the lake Ontario shore. Light southwest Winds. Chance of rain 30 percent.

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Theresa Temperature Statistics

August Temperature

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

  • Lowest 16 August, 2026

    54.1 °F

  • Average August

    71.4 °F

  • Highest 5 August, 2026

    86.7 °F

Climate (2021–2026)

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

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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