Hermitage, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hermitage, a city in Mercer County, Pennsylvania.
Today
84°F
Sunny
Sunny, with a high near 84. Southeast wind around 3 mph.
7-day forecast for Hermitage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph SE | 0% |
| Tonight | 64°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph S | 39% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 47% |
| Thursday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 44% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 44% |
| Friday | 83°F | Showers And Thunderstorms | 2 to 7 mph SW | 80% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 80% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 38% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 38% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 22% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph SW | 29% |
| Monday | 86°F | Chance Rain Showers | 7 to 10 mph SW | 42% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 51% |
Forecast source: National Weather Service (api.weather.gov) for Hermitage (41.230, -80.441). Updated through the day.
Growing snapshot for Hermitage
Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
6a
More local growing data for Hermitage: nearby ZIP 16148 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Clark
Farrell
Fredonia
Greenville
Grove City
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, Mercer, Pa (9.5 mi from Hermitage). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.