Hartstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartstown, a community in Crawford County, Pennsylvania.
Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. Southeast wind around 9 mph.
7-day forecast for Hartstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Clear | 9 mph SE | 3% |
| Wednesday | 73°F | Partly Sunny then Chance Light Rain | 9 to 14 mph S | 47% |
| Wednesday Night | 58°F | Light Rain | 9 to 15 mph S | 87% |
| Thursday | 67°F | Slight Chance Light Rain then Mostly Sunny | 8 to 14 mph SW | 22% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph W | 24% |
| Friday Night | 43°F | Chance Light Rain | 2 to 7 mph NW | 41% |
| Saturday | 53°F | Chance Light Rain | 7 to 12 mph W | 38% |
| Saturday Night | 37°F | Chance Light Rain | 2 to 8 mph W | 37% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 3 to 10 mph W | 23% |
| Sunday Night | 36°F | Chance Light Rain | 7 mph W | 28% |
| Monday | 56°F | Chance Light Rain | 7 to 14 mph W | 34% |
| Monday Night | 37°F | Chance Light Rain | 6 to 9 mph SW | 34% |
| Tuesday | 59°F | Slight Chance Light Rain | 9 to 15 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Hartstown (41.548, -80.385). Updated through the day.
Growing snapshot for Hartstown
Last spring frost
May 4
First fall frost
Oct 14
Growing season
161 days
Hardiness zone
6a
More local growing data for Hartstown: nearby ZIP 16131 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Jamestown 2 Nw, Pa (5.8 mi from Hartstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.