Black River Weather Forecast

    • 57
    • 77

    Chance Thunderstorms

    • 54
    • 76

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

    • 61
    • 77

    Rain Showers Likely

    • 57
    • 76

    Mostly Sunny

    • 61
    • 77

    Partly Sunny

Today 13 Aug Jefferson

Partly sunny. A chance of Showers and Thunderstorms late. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. West Winds 10 Mph or less. Chance of rain 40 percent.

Tonight 13 Aug Jefferson

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Some patchy fog developing overnight. Lows Ranging from the mid 50s across the tug hill to around 60 along the lake Ontario shore. Light Winds. Chance of rain 40 percent.

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Black River Temperature Statistics

August Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (3.7 miles)

  • Lowest 5 August, 2026

    60.1 °F

  • Average August

    73.3 °F

  • Highest 5 August, 2026

    86.7 °F

Climate (2021–2026)

Fort Drum / Wheeler-Sack U. S. Army Airfield (3.7 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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