Henderson Weather Forecast

    • 18
    • 26

    Snow

    • 7
    • 26

    Blizzard

    • 10
    • 17

    Snow

    • 21
    • 30

    Snow Likely

    • 8
    • 26

    Chance Snow Showers

    • 3
    • 22

    Chance Snow Showers

Today 18 Jan Jefferson

Lake effect snow. Additional accumulation 1 to 3 Inches in the most persistent Snows. Windy with Highs Ranging from the lower 20s on the tug hill to the mid 20s across the lower Elevations. Southwest Winds 20 to 30 Mph, Diminishing to 10 to 15 Mph. Chance of snow 80 percent.

Tonight 18 Jan Jefferson

Lake effect snow. Additional accumulation 2 to 4 Inches in the most persistent Snows. Lows 10 to 15. Light Winds, becoming south 10 to 15 Mph. Chance of snow 80 percent.

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Henderson Temperature Statistics

January Temperature

Watertown, Watertown International Airport (12.4 miles)

  • Lowest 4 January, 2026

    0 °F

  • Average January

    26.7 °F

  • Highest 9 January, 2026

    51.1 °F

Climate (2021–Present)

Watertown, Watertown International Airport (12.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.6 °F
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