Martin Lake Weather Forecast

    • 34
    • 70

    Mostly Sunny

    • 46
    • 73

    Mostly Sunny

    • 52
    • 79

    Rain Likely

    • 27
    • 64

    Rain Likely

    • 25
    • 39

    Slight Chance Snow

    • 25
    • 40

    Mostly Cloudy

Today 20 Apr McHenry

Sunny, warmer. Highs around 70. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northwest in the afternoon.

Tonight 20 Apr McHenry

Clear. Lows in the mid 30s. North Winds 5 to 15 Mph, becoming east around 5 Mph after midnight.

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Martin Lake Temperature Statistics

April Temperature

Harvey Municipal Airport (23.6 miles)

  • Lowest 6 April, 2026

    15.8 °F

  • Average April

    35.2 °F

  • Highest 12 April, 2026

    71.6 °F

Climate (2021–Present)

Harvey Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51.9 °F
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