McHenry Weather Forecast

    • 57
    • 80

    Slight Chance Thunderstorms

    • 57
    • 82

    Chance Thunderstorms

    • 54
    • 77

    Partly Sunny

    • 54
    • 75

    Mostly Cloudy

    • 55
    • 71

    Chance Rain Showers

    • 53
    • 71

    Chance Rain Showers

Today 10 Aug Foster

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 10 Mph. Chance of rain 20 percent.

Tonight 10 Aug Foster

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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McHenry Temperature Statistics

August Temperature

Cooperstown (24.9 miles)

  • Lowest 5 August, 2026

    42.8 °F

  • Average August

    68 °F

  • Highest 2 August, 2026

    91.4 °F

Climate (2021–2026)

Cooperstown (24.9 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    40.5 °F

  • Average High 2021–2026

    50.7 °F
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