Jefferson County Fairgrounds Weather Forecast

    • 20
    • 45

    Slight Chance Snow Showers

    • 29
    • 42

    Chance Snow Showers

    • 50
    • 63

    Rain Showers Likely

    • 39
    • 63

    Chance Rain Showers

    • 37
    • 58

    Chance Rain Showers

    • 47
    • 60

    Chance Rain Showers

Today 6 Apr Jefferson

Mostly cloudy. Slight chance of light rain Showers early in the afternoon. Slight chance of light rain Showers and snow Showers late in the afternoon. Highs in the mid 40s. Northwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

Tonight 6 Apr Jefferson

Colder. Partly cloudy. A 20 percent chance of snow Showers through around midnight. Lows around 20. North Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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Jefferson County Fairgrounds Temperature Statistics

April Temperature

Watertown (11.8 miles)

  • Lowest 1 April, 2026

    31.8 °F

  • Average April

    39 °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

    45.6 °F

  • Average High 2021–2026

    54.7 °F
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