Thomas Bay Weather Forecast

    • 48
    • 59

    Patchy Fog

    • 50
    • 58

    Rain Likely

    • 50
    • 57

    Rain

    • 48
    • 56

    Rain

    • 47
    • 58

    Chance Rain

    • 48
    • 59

    Partly Sunny

Today 6 Sep Petersburg Borough

Mostly cloudy. Patchy fog in the morning. Highs 62 to 70. Light Winds.

Tonight 6 Sep Petersburg Borough

Mostly cloudy. Patchy fog. Lows around 50. Light Winds.

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Thomas Bay Temperature Statistics

September Temperature

Petersburg (14.3 miles)

  • Lowest 3 September, 2026

    46 °F

  • Average September

    54 °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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