Petersburg Weather Forecast

    • 20
    • 28

    Chance Snow

    • 11
    • 25

    Mostly Cloudy

    • 10
    • 17

    Mostly Cloudy

    • 9
    • 17

    Mostly Cloudy

    • 4
    • 14

    Partly Sunny

    • 5
    • 11

    Mostly Cloudy

    • 9
    • 16

    Chance Snow

Today 17 Dec Petersburg Borough

Mostly cloudy. Chance of snow Showers. Highs in the upper 20s. Light Winds.

Tonight 17 Dec Petersburg Borough

Cloudy. Chance of snow Showers. Lows around 20. East Winds around 10 Mph.

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Petersburg Temperature Statistics

December Temperature

Petersburg (0.6 miles)

  • Lowest 13 December, 2025

    3.9 °F

  • Average December

    29.7 °F

  • Highest 1 December, 2025

    45 °F

Climate (2020–Present)

Petersburg (0.6 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    43.5 °F

  • Average High 2020–2025

    48.9 °F
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