Petersburg Weather Forecast

    • 10
    • 33

    Sunny

    • 28
    • 36

    Mostly Cloudy

    • 26
    • 42

    Mostly Cloudy

    • 25
    • 35

    Mostly Cloudy

    • 34
    • 42

    Mostly Cloudy

    • 25
    • 49

    Partly Sunny

    • 23
    • 39

    Mostly Cloudy

Today 20 Dec Jackson

Sunny. Highs in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Jackson

Clear, Colder with Lows around 11. Northwest Winds 5 to 10 Mph, becoming southeast after midnight.

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Petersburg Temperature Statistics

December Temperature

Jackson, Jackson Municipal Airport (8.7 miles)

  • Lowest 4 December, 2025

    -9.4 °F

  • Average December

    17.2 °F

  • Highest 16 December, 2025

    42.8 °F

Climate (2020–Present)

Jackson, Jackson Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    57.3 °F
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