Harsens Island Airport Weather Forecast

    • 41
    • 55

    Becoming Sunny

    • 44
    • 60

    Sunny

    • 45
    • 64

    Mostly Sunny

    • 47
    • 67

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

Today 17 Oct St. Clair

Sunny. Highs in the mid 50s. Northwest Winds up to 15 Mph.

Tonight 17 Oct St. Clair

Clear. Lows in the mid 30s. Southwest Winds up to 10 Mph.

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Harsens Island Airport Temperature Statistics

October Temperature

Selfridge Air National Guard Base (13 miles)

  • Lowest 6 October, 2026

    42.4 °F

  • Average October

    62.2 °F

  • Highest 13 October, 2026

    87.6 °F

Climate (2021–2026)

Selfridge Air National Guard Base (13 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.2 °F
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