Thomas Bay Weather Forecast

    • 34
    • 43

    Increasing Clouds

    • 35
    • 42

    Mostly Cloudy

    • 34
    • 42

    Mostly Cloudy

    • 29
    • 41

    Mostly Cloudy

    • 22
    • 36

    Mostly Sunny

    • 16
    • 28

    Mostly Sunny

    • 21
    • 24

    Slight Chance Snow

Today 18 Jan Petersburg Borough

Mostly cloudy in the morning then clearing. Patchy fog. Visibility one quarter mile or less at Times. Highs in the lower 40s. Light Winds.

Tonight 18 Jan Petersburg Borough

Increasing Clouds. Patchy fog. Visibility one quarter mile or less at Times. Lows in the lower 30s. Light Winds.

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Thomas Bay Temperature Statistics

January Temperature

Petersburg (14.3 miles)

  • Lowest 4 January, 2026

    12 °F

  • Average January

    33.7 °F

  • Highest 13 January, 2026

    52 °F

Climate (2021–Present)

Petersburg (14.3 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    43.3 °F

  • Average High 2021–2026

    48.7 °F
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