McHenry Weather Forecast

    • 55
    • 60

    Rain Showers Likely

    • 55
    • 61

    Rain Showers

    • 52
    • 66

    Slight Chance Rain Showers

    • 54
    • 75

    Partly Sunny

    • 51
    • 72

    Partly Sunny

    • 51
    • 73

    Partly Sunny

Today 18 Sep Foster

Showers. Highs in the upper 50s. Northeast Winds 5 to 10 Mph, increasing to around 15 Mph in the afternoon.

Tonight 18 Sep Foster

Showers likely and a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the mid 50s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

McHenry Temperature Statistics

September Temperature

Cooperstown (24.9 miles)

  • Lowest 7 September, 2025

    32 °F

  • Average September

    59.8 °F

  • Highest 14 September, 2025

    84.2 °F

Climate (2020–Present)

Cooperstown (24.9 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    41.7 °F

  • Average High 2020–2025

    52 °F
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