Long Lake Weather Forecast

    • 10
    • 23

    Increasing Clouds

    • 2
    • 25

    Mostly Cloudy

    • 11
    • 18

    Mostly Cloudy

    • 13
    • 24

    Mostly Cloudy

    • 6
    • 29

    Mostly Cloudy

    • 2
    • 21

    Mostly Cloudy

Today 21 Dec McHenry

Mostly sunny. Not as cold. Highs in the lower 20s. South Winds around 5 Mph.

Tonight 21 Dec McHenry

Mostly cloudy with isolated snow Showers. Lows around 5 below. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Lake Temperature Statistics

December Temperature

RUGBY (23 miles)

  • Lowest 13 December, 2025

    -16.6 °F

  • Average December

    9.7 °F

  • Highest 16 December, 2025

    42.8 °F

Climate (2020–Present)

RUGBY (23 miles)

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  • Average Low 2020–2025

    27 °F

  • Average 2020–2025

    37.9 °F

  • Average High 2020–2025

    48.4 °F
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