Hartstown, PA Weather & Growing Conditions
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 5 mph NE | 1% |
| Saturday | 73°F | Partly Sunny then Slight Chance Rain Showers | 6 mph SE | 15% |
| Saturday Night | 62°F | Mostly Cloudy then Showers And Thunderstorms | 6 mph SE | 75% |
| Sunday | 71°F | Showers And Thunderstorms | 6 to 10 mph W | 82% |
| Sunday Night | 54°F | Chance Rain Showers | 7 to 10 mph NE | 51% |
| Monday | 67°F | Slight Chance Rain Showers | 12 mph NE | 17% |
| Monday Night | 52°F | Chance Rain Showers | 9 to 13 mph NE | 44% |
| Tuesday | 65°F | Chance Rain Showers | 14 mph E | 44% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 16 mph E | 58% |
| Wednesday | 62°F | Rain Showers Likely | 13 to 16 mph E | 58% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 55% |
| Thursday | 65°F | Chance Rain Showers | 9 to 13 mph E | 47% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 3 to 8 mph NE | 21% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 5 to 9 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartstown, PA
Last spring frost
May 4
First fall frost
Oct 14
Growing season
161 days
Hardiness zone
6a
Explore more for Hartstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Jamestown 2 Nw, Pa (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.