Balfour Weather Forecast

    • 35
    • 61

    Increasing Clouds

    • 34
    • 68

    Chance Thunderstorms

    • 31
    • 59

    Mostly Sunny

    • 39
    • 62

    Partly Sunny

    • 44
    • 73

    Chance Rain Showers

    • 41
    • 71

    Breezy

    • 48
    • 76

    Partly Sunny

Today 7 May McHenry

Mostly sunny. Highs in the lower 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 7 May McHenry

Decreasing Clouds. Lows in the mid 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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Balfour Temperature Statistics

May Temperature

Harvey Municipal Airport (29.8 miles)

  • Lowest 1 May, 2026

    24.8 °F

  • Average May

    48.9 °F

  • Highest 3 May, 2026

    73.4 °F

Climate (2021–Present)

Harvey Municipal Airport (29.8 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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