Donora, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Donora, a borough in Washington County, Pennsylvania.
Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 5 mph.
7-day forecast for Donora
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny | 5 mph E | 3% |
| Tonight | 64°F | Chance Rain Showers | 5 to 8 mph SE | 46% |
| Sunday | 78°F | Showers And Thunderstorms | 10 mph SW | 95% |
| Sunday Night | 56°F | Showers And Thunderstorms | 8 to 12 mph N | 94% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 42% |
| Monday Night | 54°F | Showers And Thunderstorms Likely | 14 mph NE | 71% |
| Tuesday | 64°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 71% |
| Tuesday Night | 51°F | Rain Showers Likely | 17 mph E | 64% |
| Wednesday | 62°F | Rain Showers Likely | 14 mph E | 64% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 56% |
| Thursday | 66°F | Rain Showers Likely | 10 mph E | 56% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 34% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 6 to 9 mph NE | 21% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 9 mph NE | 21% |
Forecast source: National Weather Service (api.weather.gov) for Donora (40.180, -79.862). Updated through the day.
Growing snapshot for Donora
Last spring frost
Apr 27
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
More local growing data for Donora: nearby ZIP 15033 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Donora 1 Sw, Pa (1.2 mi from Donora). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.