Bay City Weather Forecast

    • 48
    • 74

    Increasing Clouds

    • 55
    • 76

    Partly Sunny

    • 63
    • 76

    Chance Rain Showers

    • 51
    • 76

    Rain Showers Likely

    • 44
    • 66

    Slight Chance Rain Showers

    • 45
    • 64

    Partly Sunny

Today 28 Sep Bay

Patchy fog in the morning. Sunny. Highs in the mid 70s. North Winds 5 to 10 Mph, becoming northeast in the late afternoon.

Tonight 28 Sep Bay

Mostly clear. Widespread fog. Lows in the mid 40s. Northeast Winds up to 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay City Temperature Statistics

September Temperature

MBS International Airport (10.6 miles)

  • Lowest 14 September, 2026

    45.6 °F

  • Average September

    65.2 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

MBS International Airport (10.6 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    58.8 °F
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