Whitehall, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitehall, a borough in Allegheny County, Pennsylvania.
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind around 6 mph.
7-day forecast for Whitehall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 6 mph SE | 0% |
| Tonight | 68°F | Partly Cloudy | 7 mph SE | 1% |
| Wednesday | 87°F | Partly Sunny then Scattered Showers And Thunderstorms | 3 to 7 mph S | 27% |
| Wednesday Night | 69°F | Scattered Showers And Thunderstorms | 6 mph S | 50% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 5 to 9 mph SW | 72% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 72% |
| Friday | 84°F | Showers And Thunderstorms | 6 to 9 mph SW | 82% |
| Friday Night | 68°F | Showers And Thunderstorms | 5 to 8 mph SW | 82% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 9 mph SW | 55% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 8 mph SW | 55% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 21% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 23% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 9 to 13 mph SW | 36% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Whitehall (40.360, -79.990). Updated through the day.
Growing snapshot for Whitehall
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b
More local growing data for Whitehall: nearby ZIP 15236 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pittsburgh Allegheny Co Ap, Pa (2.9 mi from Whitehall). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.