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Wilmerding, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wilmerding, a borough in Allegheny County, Pennsylvania.

Today
76°F
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 4pm. Partly sunny, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast for Wilmerding

WhenTempForecastWindPrecip
Today 76°F Partly Sunny then Slight Chance Light Rain 5 to 10 mph S 18%
Tonight 61°F Light Rain 10 mph S 95%
Thursday 71°F Chance Light Rain then Mostly Sunny 8 to 14 mph SW 48%
Thursday Night 48°F Partly Cloudy 2 to 7 mph SW 1%
Friday 65°F Partly Sunny then Slight Chance Light Rain 2 to 9 mph SW 21%
Friday Night 42°F Chance Light Rain 5 to 9 mph W 33%
Saturday 54°F Chance Light Rain 9 to 14 mph W 31%
Saturday Night 36°F Slight Chance Light Rain 6 to 12 mph W 24%
Sunday 56°F Partly Sunny 7 to 15 mph W 7%
Sunday Night 34°F Partly Cloudy 7 to 12 mph W 6%
Monday 57°F Mostly Sunny 8 to 15 mph W 11%
Monday Night 34°F Mostly Clear 7 to 10 mph SW 10%
Tuesday 61°F Mostly Sunny 12 to 17 mph SW 4%
Tuesday Night 34°F Partly Cloudy 3 to 10 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for Wilmerding (40.394, -79.810). Updated through the day.

Growing snapshot for Wilmerding

Last spring frost
Apr 5
First fall frost
Nov 10
Growing season
219 days
Hardiness zone
6b

More local growing data for Wilmerding: nearby ZIP 15035 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Braddock Lock 2, Pa (2.8 mi from Wilmerding). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.