Clayton Weather Forecast

    • 51
    • 76

    Decreasing Clouds

    • 50
    • 76

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

Today 14 Sep Jefferson

Becoming mostly sunny. Highs Ranging from the lower 70s on the tug hill to the mid 70s across the lower Elevations. Light north Winds.

Tonight 14 Sep Jefferson

Mainly clear. Lows in the lower 50s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clayton Temperature Statistics

September Temperature

Watertown, Watertown International Airport (16.8 miles)

  • Lowest 9 September, 2025

    39.9 °F

  • Average September

    61.3 °F

  • Highest 4 September, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown International Airport (16.8 miles)

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

  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.7 °F
Get WillyWeather+ to remove ads