Portsmouth Charter Township Weather Forecast

    • 1
    • 22

    Decreasing Clouds

    • 8
    • 22

    Mostly Cloudy

    • 11
    • 22

    Chance Snow Showers

    • 26
    • 32

    Mostly Cloudy

    • 28
    • 38

    Chance Rain

    • 15
    • 40

    Chance Rain

Today 13 Dec Bay

Mostly cloudy. Highs in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Readings 4 below to 6 above zero.

Tonight 13 Dec Bay

Partly cloudy. Lows around 1 above. West Winds 5 to 15 Mph with Gusts up to 25 Mph. Wind chill Readings 5 below to 15 below zero.

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Portsmouth Charter Township Temperature Statistics

December Temperature

Saginaw County H W Browne Airport (8.7 miles)

  • Lowest 4 December, 2025

    5 °F

  • Average December

    22.4 °F

  • Highest 6 December, 2025

    32 °F

Climate (2020–Present)

Saginaw County H W Browne Airport (8.7 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    58.9 °F
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