White Oak, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Oak, a borough in Allegheny County, Pennsylvania.
Today
86°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 86. East wind around 5 mph.
7-day forecast for White Oak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Fog then Sunny | 5 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 2 to 6 mph SE | 1% |
| Wednesday | 87°F | Partly Sunny then Isolated Showers And Thunderstorms | 2 to 6 mph SE | 18% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 6 mph S | 50% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 3 to 9 mph SW | 74% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 74% |
| Friday | 85°F | Showers And Thunderstorms | 5 to 9 mph SW | 82% |
| Friday Night | 67°F | Showers And Thunderstorms | 3 to 8 mph SW | 82% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 56% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 56% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 23% |
| Monday | 87°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 40% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 50% |
Forecast source: National Weather Service (api.weather.gov) for White Oak (40.339, -79.796). Updated through the day.
Growing snapshot for White Oak
Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b
More local growing data for White Oak: nearby ZIP 15131 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Mckeesport, Pa (3.4 mi from White Oak). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.