Jefferson County Fairgrounds Weather Forecast

    • 41
    • 61

    Rain Showers

    • 32
    • 55

    Partly Sunny

    • 46
    • 57

    Rain Showers Likely

    • 63
    • 74

    Rain Showers Likely

    • 55
    • 77

    Rain Showers Likely

    • 36
    • 65

    Rain Showers Likely

Today 9 Apr Jefferson

Sunny until late afternoon then becoming partly sunny. Highs around 60. West Winds 5 to 10 Mph.

Tonight 9 Apr Jefferson

Rain Showers. Lows in the lower 40s. North Winds up to 5 Mph. Chance of Showers near 100 percent.

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Jefferson County Fairgrounds Temperature Statistics

April Temperature

Watertown (11.8 miles)

  • Lowest 6 April, 2026

    29.8 °F

  • Average April

    39.6 °F

  • Highest 2 April, 2026

    57.2 °F

Climate (2021–Present)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.6 °F
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