Jefferson County Fairgrounds Weather Forecast

    • 5
    • 23

    Snow

    • -16
    • 18

    Partly Sunny

    • -16
    • -7

    Cold

    • -5
    • 2

    Chance Snow

    • -5
    • 11

    Slight Chance Snow

    • -2
    • 8

    Partly Sunny

    • 1
    • 17

    Mostly Cloudy

Today 21 Jan Jefferson

Mostly cloudy. Light snow likely late in the afternoon. New snow accumulation up to 1 inch. Near steady temperature in the lower 20s. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of snow 70 percent.

Tonight 21 Jan Jefferson

Patchy blowing snow until early morning. Cloudy with snow in the Evening, then mostly cloudy with chance of light snow late in the evening. Partly cloudy after midnight. Snow accumulation up to 2 Inches. Total snow accumulation up to 6 Inches. Lows around 5. West Winds 10 to 15 Mph with Gusts to around 35 Mph. Chance of snow 80 percent.

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Jefferson County Fairgrounds Temperature Statistics

January Temperature

Watertown (11.8 miles)

  • Lowest 19 January, 2026

    -4.9 °F

  • Average January

    24.4 °F

  • Highest 9 January, 2026

    55.2 °F

Climate (2021–Present)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.5 °F
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