Black River Weather Forecast

    • 51
    • 72

    Becoming Sunny

    • 51
    • 70

    Sunny

    • 64
    • 77

    Chance Rain Showers

    • 56
    • 76

    Slight Chance Thunderstorms

    • 57
    • 71

    Slight Chance Rain Showers

    • 58
    • 79

    Rain Showers Likely

Today 10 Sep Jefferson

Mostly sunny. Highs Ranging from the upper 60s on the tug hill to the lower 70s across the lower Elevations. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 10 Sep Jefferson

Mostly cloudy in the Evening, then clearing. Some patchy fog developing overnight. Much cooler with Lows Ranging from the upper 40s across the tug hill to the lower 50s along the lake Ontario shore. West Winds 10 to 15 Mph, becoming light.

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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 7 September, 2026

    54 °F

  • Average September

    67.5 °F

  • Highest 2 September, 2026

    82.2 °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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