Hermitage, PA Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 mph SE | 0% |
| Tonight | 64°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 86°F | Partly Sunny then Scattered Showers And Thunderstorms | 6 mph S | 50% |
| Wednesday Night | 67°F | Scattered Showers And Thunderstorms | 5 mph S | 50% |
| Thursday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph S | 49% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph SW | 59% |
| Friday | 83°F | Showers And Thunderstorms | 5 to 8 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 | 5 to 8 mph SW | 38% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 6 mph SW | 38% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 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 12 mph SW | 43% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 51% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hermitage, PA
Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
6a
Explore more for Hermitage, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Mercer, Pa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.