Thomas Bay Weather Forecast

    • 48
    • 61

    Decreasing Clouds

    • 49
    • 63

    Mostly Sunny

    • 52
    • 66

    Mostly Sunny

    • 51
    • 65

    Partly Sunny

    • 50
    • 63

    Partly Sunny

    • 50
    • 62

    Partly Sunny

Today 18 Jul Petersburg Borough

Decreasing Clouds. Highs 65 to 73. Light Winds becoming northwest around 10 Mph.

Tonight 18 Jul Petersburg Borough

Mostly clear. Lows in the lower 50s. Northwest Winds around 10 Mph.

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Thomas Bay Temperature Statistics

July Temperature

Petersburg (14.3 miles)

  • Lowest 13 July, 2026

    45 °F

  • Average July

    53.7 °F

  • Highest 15 July, 2026

    69.1 °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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