Grove City Weather Forecast

    • 38
    • 58

    Decreasing Clouds

    • 37
    • 56

    Partly Sunny

    • 45
    • 61

    Rain Showers Likely

    • 50
    • 67

    Chance Rain Showers

    • 43
    • 69

    Rain Showers Likely

    • 39
    • 59

    Partly Sunny

Today 6 May Mercer

Showers this morning. Cool with Highs in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 6 May Mercer

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grove City Temperature Statistics

May Temperature

New Castle, New Castle Municipal Airport (18.6 miles)

  • Lowest 1 May, 2026

    33.1 °F

  • Average May

    47.3 °F

  • Highest 4 May, 2026

    73 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.1 °F
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