Donora, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Donora, a borough in Washington County, Pennsylvania.
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. North wind around 8 mph.
7-day forecast for Donora
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 8 mph N | 13% |
| Tonight | 58°F | Partly Cloudy | 7 mph NE | 12% |
| Saturday | 79°F | Mostly Sunny | 5 mph E | 3% |
| Saturday Night | 65°F | Mostly Cloudy then Showers And Thunderstorms Likely | 7 mph SE | 55% |
| Sunday | 78°F | Showers And Thunderstorms | 9 mph SW | 94% |
| Sunday Night | 60°F | Showers And Thunderstorms | 7 to 10 mph N | 94% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 43% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 13 mph E | 68% |
| Tuesday | 67°F | Showers And Thunderstorms | 12 to 15 mph E | 76% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 13 to 16 mph E | 71% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 14 mph E | 66% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 8 to 14 mph E | 52% |
| Thursday | 66°F | Chance Rain Showers | 9 mph E | 41% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 5 to 9 mph NE | 24% |
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 18, 2026.