Petersburg Weather Forecast

    • 39
    • 45

    Rain Showers

    • 26
    • 46

    Rain Showers

    • 23
    • 33

    Partly Sunny

    • 38
    • 48

    Mostly Cloudy

    • 26
    • 48

    Chance Rain Showers

    • 26
    • 39

    Chance Snow Showers

    • 35
    • 44

    Rain Showers Likely

Today 30 Jan Mahoning

Partly sunny. Highs in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 30 Jan Mahoning

A chance of Showers this Evening, then Showers after midnight. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petersburg Temperature Statistics

January Temperature

New Castle, New Castle Municipal Airport (9.3 miles)

  • Lowest 22 January, 2025

    -13 °F

  • Average January

    20.3 °F

  • Highest 1 January, 2025

    39 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    60.9 °F
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