Grove City Weather Forecast

    • 9
    • 26

    Becoming Sunny

    • 27
    • 35

    Rain/Snow

    • 22
    • 38

    Rain/Snow

    • 18
    • 29

    Chance Snow

    • 11
    • 28

    Snow

    • 9
    • 20

    Snow Likely

Today 8 Dec Mercer

Partly cloudy in the Morning, then becoming partly sunny. Highs in the mid 20s. Northeast Winds 5 to 10 Mph.

Tonight 8 Dec Mercer

Mainly clear. Very cold with Lows around 9 above. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grove City Temperature Statistics

December Temperature

New Castle, New Castle Municipal Airport (18.6 miles)

  • Lowest 5 December, 2025

    1 °F

  • Average December

    25.2 °F

  • Highest 1 December, 2025

    33.1 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.1 °F
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