Thomas Bay Weather Forecast

    • 49
    • 63

    Increasing Clouds

    • 48
    • 60

    Mostly Cloudy

    • 50
    • 60

    Rain Likely

    • 50
    • 57

    Rain

    • 48
    • 56

    Rain

    • 47
    • 58

    Chance Rain

Today 5 Sep Petersburg Borough

Mostly clear. Highs 66 to 74. Light Winds.

Tonight 5 Sep Petersburg Borough

Increasing Clouds. Patchy fog. Lows in the lower 50s. Light Winds.

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Thomas Bay Temperature Statistics

September Temperature

Petersburg (14.3 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    52.9 °F

  • Highest 2 September, 2026

    59 °F

Climate (2021–2026)

Petersburg (14.3 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    48.8 °F
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