Jefferson County Fairgrounds Weather Forecast

    • 54
    • 71

    Rain Showers

    • 50
    • 68

    Chance Thunderstorms

    • 47
    • 76

    Rain Showers

    • 32
    • 60

    Chance Rain Showers

    • 30
    • 48

    Mostly Sunny

    • 36
    • 55

    Partly Sunny

Today 15 Apr Jefferson

Mostly cloudy. Chance of light rain Showers in the Morning, then rain Showers and chance of Thunderstorms in the afternoon. Highs in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 90 percent.

Tonight 15 Apr Jefferson

Rain Showers and chance of Thunderstorms until early Morning, then chance of light rain Showers early in the morning. Patchy fog late in the evening. Lows in the mid 50s. South Winds 5 to 10 Mph. Chance of precipitation 80 percent.

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Jefferson County Fairgrounds Temperature Statistics

April Temperature

Watertown (11.8 miles)

  • Lowest 7 April, 2026

    19.6 °F

  • Average April

    43.1 °F

  • Highest 12 April, 2026

    72.1 °F

Climate (2021–Present)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.6 °F
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