Jefferson County Fairgrounds Weather Forecast

    • 47
    • 63

    Rain Showers

    • 43
    • 61

    Mostly Cloudy

    • 37
    • 57

    Partly Sunny

    • 36
    • 55

    Slight Chance Rain Showers

    • 35
    • 54

    Partly Sunny

    • 40
    • 60

    Partly Sunny

Today 27 Apr Jefferson

Cloudy. Slight chance of Thunderstorms in the morning. Rain Showers through the day. Thunderstorms likely in the afternoon. Locally heavy rainfall possible late in the morning. Highs in the mid 60s. Southeast Winds 10 to 20 Mph. Chance of precipitation 90 percent.

Tonight 27 Apr Jefferson

Cloudy. Rain Showers with Thunderstorms likely in the Evening, then chance of light rain Showers and slight chance of Thunderstorms late in the evening. Lows in the upper 40s. Southwest Winds 10 to 20 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

    47.3 °F

  • Highest 17 April, 2026

    77 °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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