Grove City Weather Forecast
- 42
- 72
Rain Showers
- 38
- 58
Rain Showers Likely
- 37
- 60
Rain Showers Likely
- 36
- 52
Rain Showers Likely
- 32
- 51
Chance Rain Showers
- 37
- 55
Chance Rain Showers
Today 19 Oct Mercer
Partly sunny with a slight chance of Showers in the Morning, then Showers with a slight chance of Thunderstorms in the afternoon. Breezy, warm with Highs in the mid 70s. Temperatures falling into the mid 60s in the afternoon. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.
Tonight 19 Oct Mercer
A slight chance of Thunderstorms. Showers. Much cooler with Lows in the mid 40s. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph after midnight. Chance of rain near 100 percent.
Grove City Temperature Statistics
October Temperature
New Castle, New Castle Municipal Airport (18.6 miles)
Lowest 9 October, 2025
35.1 °FAverage October
56.7 °FHighest 5 October, 2025
82.9 °F
Climate (2020–Present)
New Castle, New Castle Municipal Airport (18.6 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
51.5 °FAverage High 2020–2025
61.2 °F