Mount Vernon Weather Forecast

    • 19
    • 37

    Chance Rain/Snow

    • 13
    • 28

    Increasing Clouds

    • 33
    • 37

    Rain

    • 24
    • 41

    Rain/Snow

    • 18
    • 31

    Chance Snow Showers

    • 9
    • 28

    Chance Snow Showers

    • 7
    • 20

    Mostly Cloudy

Today 7 Dec Knox

Cloudy with a chance of rain and snow. Near steady temperature in the mid 30s. West Winds around 5 Mph. Chance of precipitation 40 percent.

Tonight 7 Dec Knox

Mostly cloudy. A slight chance of snow this evening. Lows around 18. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

December Temperature

Knox County Airfield (4.3 miles)

  • Lowest 5 December, 2025

    10.4 °F

  • Average December

    23.6 °F

  • Highest 1 December, 2025

    32 °F

Climate (2020–Present)

Knox County Airfield (4.3 miles)

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

  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.6 °F
Get WillyWeather+ to remove ads