Thomas Bay Weather Forecast

    • 38
    • 46

    Rain

    • 35
    • 44

    Rain Showers Likely

    • 32
    • 42

    Mostly Cloudy

    • 28
    • 42

    Partly Sunny

    • 30
    • 42

    Partly Sunny

    • 32
    • 44

    Slight Chance Rain

Today 20 Oct Petersburg Borough

Rain. Rain may be heavy at Times in the afternoon. Highs in the upper 40s. Southeast Winds 15 to 25 Mph.

Tonight 20 Oct Petersburg Borough

Rain in the Evening, then rain Showers likely late. Rain may be heavy at Times in the evening. Lows in the upper 30s. Southeast Winds 10 to 15 Mph.

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Thomas Bay Temperature Statistics

October Temperature

Petersburg (14.3 miles)

  • Lowest 11 October, 2026

    30.9 °F

  • Average October

    46.2 °F

  • Highest 16 October, 2026

    57.9 °F

Climate (2021–2026)

Petersburg (14.3 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    43.5 °F

  • Average High 2021–2026

    48.9 °F
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