Jefferson County Fairgrounds Weather Forecast

    • 34
    • 50

    Increasing Clouds

    • 36
    • 53

    Mostly Cloudy

    • 41
    • 64

    Mostly Cloudy

    • 25
    • 47

    Mostly Cloudy

    • 28
    • 43

    Mostly Cloudy

    • 31
    • 51

    Mostly Cloudy

Today 19 Mar Jefferson

Partly sunny in the morning then clearing. Highs in the mid 40s. Southeast Winds up to 5 Mph.

Tonight 19 Mar Jefferson

Mostly cloudy. Lows in the lower 30s. Southeast Winds around 5 Mph shifting to the southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson County Fairgrounds Temperature Statistics

March Temperature

Watertown (11.8 miles)

  • Lowest 1 March, 2026

    7.2 °F

  • Average March

    36.9 °F

  • Highest 9 March, 2026

    68.9 °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