Ontario Weather Forecast

    • 67
    • 85

    Increasing Clouds

    • 69
    • 86

    Partly Sunny

    • 70
    • 89

    Mostly Sunny

    • 70
    • 89

    Partly Sunny

    • 68
    • 87

    Chance Thunderstorms

    • 66
    • 83

    Chance Thunderstorms

Today 7 Aug Lagrange

Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. South Winds around 5 Mph.

Tonight 7 Aug Lagrange

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Ontario Temperature Statistics

August Temperature

Sturgis, Kirsch Municipal Airport (8.1 miles)

  • Lowest 2 August, 2025

    55.4 °F

  • Average August

    66.4 °F

  • Highest 4 August, 2025

    78.8 °F

Climate (2020–Present)

Sturgis, Kirsch Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.6 °F
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