Green Hills, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Hills, a borough in Washington County, Pennsylvania.
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. South wind around 2 mph.
7-day forecast for Green Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 2 mph S | 1% |
| Wednesday | 76°F | Mostly Cloudy then Chance Light Rain | 1 to 12 mph S | 41% |
| Wednesday Night | 59°F | Light Rain | 10 to 14 mph S | 98% |
| Thursday | 68°F | Slight Chance Light Rain then Partly Sunny | 8 to 14 mph SW | 22% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 7 mph SW | 1% |
| Friday | 63°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph SW | 18% |
| Friday Night | 40°F | Chance Light Rain | 5 to 9 mph W | 29% |
| Saturday | 52°F | Chance Light Rain | 9 to 13 mph W | 27% |
| Saturday Night | 34°F | Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Sunday | 54°F | Mostly Sunny | 6 to 13 mph W | 6% |
| Sunday Night | 32°F | Partly Cloudy | 9 mph W | 5% |
| Monday | 55°F | Mostly Sunny | 7 to 12 mph W | 9% |
| Monday Night | 34°F | Mostly Clear | 6 to 9 mph SW | 7% |
| Tuesday | 60°F | Sunny | 9 to 14 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Green Hills (40.115, -80.305). Updated through the day.
Growing snapshot for Green Hills
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
More local growing data for Green Hills: nearby ZIP 15301 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Washington 3 Ne, Pa (3.5 mi from Green Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.