Hartstown, PA Weather & Growing Conditions
Today
74°F
Partly Sunny then Light Rain Likely
Rain likely after 1pm. Partly sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny then Light Rain Likely | 9 to 14 mph S | 60% |
| Tonight | 56°F | Light Rain | 9 to 15 mph S | 99% |
| Thursday | 65°F | Mostly Sunny | 8 to 14 mph SW | 6% |
| Thursday Night | 46°F | Mostly Cloudy | 3 to 7 mph SW | 11% |
| Friday | 59°F | Chance Rain Showers | 3 to 8 mph SW | 49% |
| Friday Night | 40°F | Rain Showers | 3 to 8 mph W | 76% |
| Saturday | 50°F | Rain Showers Likely | 8 to 13 mph W | 65% |
| Saturday Night | 35°F | Chance Light Rain | 5 to 9 mph W | 50% |
| Sunday | 53°F | Slight Chance Light Rain then Partly Sunny | 6 to 13 mph W | 15% |
| Sunday Night | 34°F | Slight Chance Light Rain | 5 to 8 mph W | 17% |
| Monday | 55°F | Slight Chance Light Rain | 6 to 12 mph W | 22% |
| Monday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 5 to 8 mph SW | 16% |
| Tuesday | 59°F | Mostly Sunny | 8 to 14 mph SW | 8% |
| Tuesday Night | 34°F | Partly Cloudy | 2 to 7 mph W | 8% |
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 Nov 4, 2026.