Jefferson County Fairgrounds Weather Forecast

    • 33
    • 53

    Mostly Cloudy

    • 31
    • 50

    Partly Sunny

    • 38
    • 55

    Partly Sunny

    • 44
    • 65

    Chance Rain Showers

    • 42
    • 69

    Chance Rain Showers

    • 42
    • 63

    Chance Rain Showers

Today 30 Apr Jefferson

Partly sunny. Areas of fog and frost in the morning. Chance of light rain Showers late in the morning. Light rain Showers likely in the afternoon. Highs in the lower 50s. Northwest Winds up to 10 Mph. Chance of Showers 70 percent.

Tonight 30 Apr Jefferson

Mostly cloudy with light rain Showers likely in the Evening, then partly cloudy with chance of light rain Showers in the late evening and early morning. Partly cloudy early in the morning. Widespread frost after midnight. Lows in the lower 30s. North Winds up to 5 Mph. Chance of Showers 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.7 °F
Get WillyWeather+ to remove ads