Ontario Weather Forecast

    • 21
    • 27

    Snow

    • 0
    • 27

    Slight Chance Snow

    • 3
    • 21

    Mostly Cloudy

    • 9
    • 24

    Slight Chance Snow

    • -1
    • 29

    Slight Chance Snow

    • 2
    • 18

    Mostly Cloudy

Today 29 Nov Vernon

Snow. Snow may be heavy at Times. Additional snow accumulation of 4 to 8 Inches. Highs in the mid 20s. East Winds 10 to 15 Mph. Chance of snow 100 percent.

Tonight 29 Nov Vernon

Snow likely. Snow accumulation around an inch. Near steady temperature in the lower 20s. Southeast Winds 5 to 10 Mph. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ontario Temperature Statistics

November Temperature

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

  • Lowest 17 November, 2025

    17.6 °F

  • Average November

    39.9 °F

  • Highest 14 November, 2025

    69.3 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

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

  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    58.2 °F
Get WillyWeather+ to remove ads