Petersburg Weather Forecast

    • 28
    • 50

    Rain

    • 21
    • 37

    Snow

    • 28
    • 37

    Chance Rain/Snow

    • 31
    • 46

    Chance Rain Showers

    • 29
    • 46

    Slight Chance Snow Showers

    • 31
    • 50

    Partly Sunny

Today 9 Nov Mahoning

Rain. Highs in the upper 40s. Northeast Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph this afternoon. Chance of rain near 100 percent.

Tonight 9 Nov Mahoning

Rain and snow Showers in the Evening, then snow Showers likely with a slight chance of rain Showers after midnight. Snow accumulation around an inch. Cooler with Lows in the upper 20s. Northwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 percent.

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Petersburg Temperature Statistics

November Temperature

New Castle, New Castle Municipal Airport (9.3 miles)

  • Lowest 6 November, 2025

    28.9 °F

  • Average November

    44.1 °F

  • Highest 5 November, 2025

    61 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.2 °F
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