Dormont, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dormont, a borough in Allegheny County, Pennsylvania.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. East wind around 3 mph.
7-day forecast for Dormont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 3 mph E | 14% |
| Tonight | 66°F | Showers And Thunderstorms | 7 mph S | 75% |
| Sunday | 77°F | Showers And Thunderstorms | 7 to 10 mph SW | 97% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 10 mph N | 47% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 38% |
| Monday Night | 57°F | Rain Showers Likely | 13 mph NE | 61% |
| Tuesday | 65°F | Rain Showers Likely | 12 to 15 mph E | 65% |
| Tuesday Night | 55°F | Rain Showers Likely | 15 mph E | 74% |
| Wednesday | 63°F | Rain Showers Likely | 16 mph E | 73% |
| Wednesday Night | 53°F | Rain Showers Likely | 12 to 15 mph E | 56% |
| Thursday | 64°F | Rain Showers Likely | 12 mph E | 56% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 6 to 9 mph NE | 16% |
| Friday | 68°F | Slight Chance Rain Showers | 6 to 9 mph NE | 15% |
| Friday Night | 51°F | Partly Cloudy | 5 to 9 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for Dormont (40.394, -80.038). Updated through the day.
Growing snapshot for Dormont
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b
More local growing data for Dormont: nearby ZIP 15216 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pittsburgh Allegheny Co Ap, Pa (6.8 mi from Dormont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.