Jefferson Weather Forecast

    • 52
    • 74

    Areas Smoke

    • 50
    • 77

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 61
    • 81

    Chance Rain Showers

Today 31 Jul Jefferson

Sunny. Areas of smoke. Highs in the mid 70s. Northeast Winds 10 to 15 Mph.

Tonight 31 Jul Jefferson

Cooler. Partly cloudy. A 20 percent chance of light rain Showers after midnight. Areas of smoke through the night. Lows in the upper 50s. Northeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

July Temperature

Watertown (11.8 miles)

  • Lowest 18 July, 2025

    48.2 °F

  • Average July

    71.5 °F

  • Highest 3 July, 2025

    89.6 °F

Climate (2020–Present)

Watertown (11.8 miles)

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

  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.1 °F
Get WillyWeather+ to remove ads