West Wilmerding, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Wilmerding, a community in Allegheny County, Pennsylvania.
Tonight
65°F
Showers And Thunderstorms
A chance of rain showers between 8pm and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for West Wilmerding
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Showers And Thunderstorms | 3 to 7 mph SE | 80% |
| Sunday | 79°F | Showers And Thunderstorms | 7 to 12 mph SW | 96% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 9 mph N | 49% |
| Monday | 71°F | Chance Rain Showers | 13 mph NE | 38% |
| Monday Night | 55°F | Rain Showers Likely | 12 mph NE | 62% |
| Tuesday | 68°F | Rain Showers Likely | 12 to 16 mph E | 65% |
| Tuesday Night | 53°F | Rain Showers Likely | 16 mph E | 73% |
| Wednesday | 64°F | Rain Showers Likely | 17 mph E | 70% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 to 16 mph E | 50% |
| Thursday | 66°F | Chance Rain Showers | 13 mph E | 50% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Friday | 70°F | Slight Chance Rain Showers | 6 to 10 mph NE | 15% |
| Friday Night | 50°F | Partly Cloudy | 5 to 9 mph NE | 13% |
| Saturday | 72°F | Mostly Sunny | 6 to 12 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov) for West Wilmerding (40.397, -79.822). Updated through the day.
Growing snapshot for West Wilmerding
Last spring frost
Apr 5
First fall frost
Nov 10
Growing season
219 days
Hardiness zone
6b
More local growing data for West Wilmerding: nearby ZIP 15112 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Braddock Lock 2, Pa (1.5 mi from West Wilmerding). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.