Thomas Bay Weather Forecast

    • 50
    • 63

    Partly Sunny

    • 52
    • 66

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 53
    • 69

    Mostly Cloudy

    • 52
    • 65

    Chance Rain Showers

Today 11 Aug Petersburg Borough

Mostly cloudy. Slight chance of drizzle in the morning. Highs 67 to 75. Light Winds.

Tonight 11 Aug Petersburg Borough

Partly cloudy. Lows in the mid 50s. Light Winds.

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Thomas Bay Temperature Statistics

August Temperature

Petersburg (14.3 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    56.4 °F

  • Highest 3 August, 2026

    64 °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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