Thomas Bay Weather Forecast

    • 49
    • 57

    Rain

    • 48
    • 62

    Rain

    • 46
    • 55

    Rain

    • 48
    • 56

    Rain

    • 50
    • 57

    Rain

    • 47
    • 56

    Rain

Today 15 Sep Petersburg Borough

Windy. Rain in the Morning, then chance of rain in the afternoon. Highs 56 to 62. Southeast Winds 20 to 30 Mph.

Tonight 15 Sep Petersburg Borough

Rain. Lows around 50. Southeast Winds 10 to 15 Mph.

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Thomas Bay Temperature Statistics

September Temperature

Petersburg (14.3 miles)

  • Lowest 13 September, 2025

    44.1 °F

  • Average September

    54.5 °F

  • Highest 2 September, 2025

    66.9 °F

Climate (2020–Present)

Petersburg (14.3 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    43.5 °F

  • Average High 2020–2025

    48.9 °F
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