Grove City Weather Forecast

    • 62
    • 80

    Increasing Clouds

    • 68
    • 85

    Rain Showers Likely

    • 57
    • 80

    Chance Thunderstorms

    • 56
    • 79

    Partly Sunny

    • 63
    • 83

    Chance Rain Showers

    • 68
    • 88

    Chance Rain Showers

Today 18 Jul Mercer

Partly cloudy. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming northwest around 5 Mph this afternoon.

Tonight 18 Jul Mercer

Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Real-Time

Grove City Temperature Statistics

July Temperature

New Castle, New Castle Municipal Airport (18.6 miles)

  • Lowest 4 July, 2025

    57 °F

  • Average July

    74.8 °F

  • Highest 6 July, 2025

    90 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.1 °F
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