Grove City, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grove City, a borough in Mercer County, Pennsylvania.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southeast wind around 6 mph.
7-day forecast for Grove City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 6 mph SE | 1% |
| Wednesday | 75°F | Partly Sunny then Chance Light Rain | 6 to 12 mph S | 34% |
| Wednesday Night | 58°F | Light Rain | 8 to 12 mph S | 95% |
| Thursday | 67°F | Partly Sunny | 7 to 13 mph SW | 10% |
| Thursday Night | 43°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Friday | 60°F | Chance Light Rain | 2 to 8 mph SW | 31% |
| Friday Night | 37°F | Chance Light Rain | 3 to 7 mph W | 52% |
| Saturday | 52°F | Chance Light Rain | 7 to 12 mph W | 47% |
| Saturday Night | 31°F | Chance Light Rain | 6 to 9 mph W | 35% |
| Sunday | 53°F | Slight Chance Light Rain | 6 to 13 mph W | 15% |
| Sunday Night | 29°F | Partly Cloudy | 8 mph W | 9% |
| Monday | 54°F | Slight Chance Light Rain | 7 to 12 mph W | 21% |
| Monday Night | 30°F | Slight Chance Light Rain then Partly Cloudy | 7 mph SW | 17% |
| Tuesday | 59°F | Mostly Sunny | 8 to 14 mph SW | 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 Nov 4, 2026.