Grove City, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grove City, a borough in Mercer County, Pennsylvania.
Tonight
61°F
Rain Showers Likely
Rain showers likely between 7pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grove City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Rain Showers Likely | 6 mph SE | 71% |
| Sunday | 74°F | Showers And Thunderstorms | 6 to 9 mph W | 93% |
| Sunday Night | 50°F | Slight Chance Showers And Thunderstorms | 9 mph NE | 20% |
| Monday | 69°F | Mostly Cloudy | 12 mph NE | 14% |
| Monday Night | 50°F | Chance Rain Showers | 9 to 13 mph E | 39% |
| Tuesday | 64°F | Chance Rain Showers | 15 mph E | 45% |
| Tuesday Night | 49°F | Rain Showers Likely | 16 mph E | 65% |
| Wednesday | 62°F | Rain Showers Likely | 16 mph E | 65% |
| Wednesday Night | 48°F | Chance Rain Showers | 13 to 16 mph E | 51% |
| Thursday | 65°F | Chance Rain Showers | 9 to 13 mph E | 51% |
| Thursday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph E | 16% |
| Friday | 69°F | Partly Sunny | 8 mph NE | 12% |
| Friday Night | 47°F | Partly Cloudy | 7 mph NE | 12% |
| Saturday | 71°F | Mostly Sunny | 6 to 9 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Grove City (41.157, -80.089). Updated through the day.
Growing snapshot for Grove City
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
More local growing data for Grove City: nearby ZIP 16127 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Clark
Farrell
Fredonia
Greenville
Hermitage
Jackson Center
Lake Latonka
Mercer
New Lebanon
Reynolds Heights
Sandy Lake
Sharon
Sharpsville
Sheakleyville
Stoneboro
West Middlesex
Wheatland
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (8.1 mi from Grove City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.