Ontario Weather Forecast

    • 51
    • 58

    Rain Showers

    • 54
    • 76

    Rain Showers

    • 55
    • 64

    Rain Showers

    • 43
    • 66

    Chance Rain Showers

    • 49
    • 72

    Chance Thunderstorms

    • 47
    • 69

    Chance Rain Showers

    • 40
    • 66

    Slight Chance Thunderstorms

Today 26 Apr Vernon

Showers, breezy with Highs in the upper 50s. Temperature falling into the lower 50s late. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

Tonight 26 Apr Vernon

Showers Early, then Showers with a chance of Thunderstorms. Breezy, warmer with Lows in the lower 50s. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ontario Temperature Statistics

April Temperature

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

  • Lowest 21 April, 2024

    18.9 °F

  • Average April

    46.2 °F

  • Highest 14 April, 2024

    77.9 °F

Climate (2019–Present)

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

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  • Average Low 2019–2024

    34 °F

  • Average 2019–2024

    46.7 °F

  • Average High 2019–2024

    57 °F
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