Black River Weather Forecast

    • 60
    • 77

    Increasing Clouds

    • 54
    • 75

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

    • 55
    • 74

    Slight Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

Today 3 Sep Jefferson

Mostly sunny. Near steady Temperatures Ranging from the lower 70s on the tug hill to the mid 70s across the lower Elevations. West Winds around 10 Mph, becoming southwest.

Tonight 3 Sep Jefferson

Partly to mostly cloudy with some patchy fog developing overnight. Lows Ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light southwest Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black River Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    64.6 °F

  • Average September

    70.3 °F

  • Highest 1 September, 2026

    77.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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