Petersburg Airport Weather Forecast

    • 54
    • 71

    Decreasing Clouds

    • 56
    • 77

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 82

    Chance Thunderstorms

    • 59
    • 80

    Slight Chance Thunderstorms

    • 61
    • 81

    Partly Sunny

Today 24 Aug Mahoning

Partly cloudy. Highs in the lower 70s. West Winds 10 to 15 Mph.

Tonight 24 Aug Mahoning

Mostly cloudy with a 20 percent chance of Showers. Lows in the mid 50s. Southwest Winds around 5 Mph.

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Petersburg Airport Temperature Statistics

August Temperature

New Castle, New Castle Municipal Airport (11.2 miles)

  • Lowest 4 August, 2026

    52 °F

  • Average August

    71.6 °F

  • Highest 5 August, 2026

    87.1 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.1 °F
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