Port Huron Weather Forecast

    • 38
    • 59

    Partly Sunny

    • 38
    • 58

    Mostly Sunny

    • 49
    • 65

    Chance Rain Showers

    • 49
    • 64

    Chance Thunderstorms

    • 48
    • 66

    Partly Sunny

    • 48
    • 66

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 8 Oct St. Clair

Partly cloudy. North Winds 10 to 15 Mph.

Tonight 8 Oct St. Clair

Mostly Clear, then becoming partly Cloudy, then becoming mostly cloudy. Widespread frost. Lows in the mid 30s. Northeast Winds up to 10 Mph.

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Port Huron Temperature Statistics

October Temperature

St Clair County International Airport (6.8 miles)

  • Lowest 2 October, 2025

    41 °F

  • Average October

    63.7 °F

  • Highest 4 October, 2025

    86 °F

Climate (2020–Present)

St Clair County International Airport (6.8 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.8 °F
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