Thomas Bay Weather Forecast

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    • 49

    Rain Showers

    • 40
    • 48

    Rain Showers

    • 38
    • 50

    Chance Rain Showers

    • 44
    • 51

    Rain Showers

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    • 52

    Rain Showers

    • 42
    • 50

    Rain Showers

Today 30 Sep Petersburg Borough

Mostly cloudy. Chance of rain Showers in the Morning, then rain Showers likely in the afternoon. Highs in the mid 50s. South Winds around 10 Mph.

Tonight 30 Sep Petersburg Borough

Rain Showers. Lows in the lower 40s. Southeast Winds around 10 Mph.

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Thomas Bay Temperature Statistics

September Temperature

Petersburg (14.3 miles)

  • Lowest 25 September, 2026

    36 °F

  • Average September

    51.4 °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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