Black River Weather Forecast

    • 52
    • 75

    Becoming Sunny

    • 57
    • 78

    Mostly Sunny

    • 61
    • 80

    Rain Showers

    • 54
    • 75

    Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 55
    • 72

    Partly Sunny

Today 20 Aug Jefferson

Mostly cloudy late this Morning, then becoming partly sunny. Highs Ranging from around 70 on the tug hill to the mid 70s across the lower Elevations. Light northwest Winds.

Tonight 20 Aug Jefferson

Mainly clear. Lows Ranging from around 50 across the tug hill to the mid 50s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black River Temperature Statistics

August Temperature

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

  • Lowest 16 August, 2026

    54.1 °F

  • Average August

    71.2 °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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