Thomas Bay Weather Forecast

    • 46
    • 60

    Mostly Sunny

    • 47
    • 62

    Partly Sunny

    • 48
    • 60

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 47
    • 59

    Mostly Cloudy

    • 47
    • 58

    Mostly Cloudy

Today 11 Sep Petersburg Borough

Mostly cloudy early in the morning then clearing. Areas of fog early in the Morning, then patchy fog in the morning. Highs 63 to 71. Light Winds.

Tonight 11 Sep Petersburg Borough

Clear. Lows in the lower 40s. Light Winds.

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  • Temperature Real-Time

Thomas Bay Temperature Statistics

September Temperature

Petersburg (14.3 miles)

  • Lowest 5 September, 2026

    43 °F

  • Average September

    54.7 °F

  • Highest 3 September, 2026

    68 °F

Climate (2021–2026)

Petersburg (14.3 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    48.8 °F
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