Flat Lake Weather Forecast

    • 23
    • 32

    Increasing Clouds

    • 13
    • 30

    Chance Snow

    • 7
    • 25

    Partly Sunny

    • 11
    • 24

    Chance Snow

    • 7
    • 23

    Mostly Cloudy

    • 7
    • 23

    Partly Sunny

    • 18
    • 29

    Mostly Cloudy

Today 21 Oct McHenry

Mostly sunny. Highs in the lower 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Lake Temperature Statistics

October Temperature

Harvey Municipal Airport (22.4 miles)

  • Lowest 19 October, 2020

    19.4 °F

  • Average October

    44.6 °F

  • Highest 6 October, 2020

    71.6 °F

Climate (2011–Present)

Harvey Municipal Airport (22.4 miles)

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  • Average Low 2011–Present

    30.9 °F

  • Average 2011–Present

    41.7 °F

  • Average High 2011–Present

    51.8 °F
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