McHenry Weather Forecast

    • 11
    • 29

    Mostly Cloudy

    • 7
    • 24

    Slight Chance Freezing Rain

    • 11
    • 15

    Mostly Cloudy

    • 13
    • 24

    Mostly Cloudy

    • 6
    • 23

    Chance Wintry Mix

    • 7
    • 17

    Chance Snow

    • -1
    • 18

    Mostly Cloudy

Today 21 Dec Foster

Partly sunny. Not as cold. Highs in the mid 30s. South Winds around 5 Mph.

Tonight 21 Dec Foster

Mostly cloudy. Patchy fog after midnight. Lows around 15. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McHenry Temperature Statistics

December Temperature

Cooperstown (24.9 miles)

  • Lowest 7 December, 2025

    -16.6 °F

  • Average December

    10.1 °F

  • Highest 16 December, 2025

    44.6 °F

Climate (2021–Present)

Cooperstown (24.9 miles)

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  • Average Low 2021–2025

    30.9 °F

  • Average 2021–2025

    41.3 °F

  • Average High 2021–2025

    51.7 °F
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