Flat Lake Weather Forecast

    • 63
    • 92

    Increasing Clouds

    • 68
    • 90

    Chance Thunderstorms

    • 60
    • 84

    Chance Thunderstorms

    • 56
    • 78

    Chance Rain Showers

    • 54
    • 75

    Slight Chance Rain Showers

    • 58
    • 79

    Chance Thunderstorms

    • 58
    • 80

    Chance Rain Showers

Today 2 Jul McHenry

Sunny. Highs around 90. Northeast Winds around 5 Mph.

Tonight 2 Jul McHenry

Increasing Clouds. Lows in the mid 60s. Southeast Winds 10 to 15 Mph.

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Flat Lake Temperature Statistics

July Temperature

Harvey Municipal Airport (22.4 miles)

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  • Average July

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Climate (2020–Present)

Harvey Municipal Airport (22.4 miles)

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  • Average Low 2020–2025

    30.1 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    51.9 °F
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