White Oak, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Oak, a borough in Allegheny County, Pennsylvania.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for White Oak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 2 to 7 mph SE | 82% |
| Sunday | 78°F | Showers And Thunderstorms | 7 to 12 mph SW | 97% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 10 mph N | 54% |
| Monday | 70°F | Chance Rain Showers | 13 mph NE | 40% |
| Monday Night | 55°F | Showers And Thunderstorms Likely | 13 mph NE | 64% |
| Tuesday | 67°F | Rain Showers Likely | 12 to 16 mph E | 68% |
| Tuesday Night | 53°F | Rain Showers Likely | 14 to 17 mph E | 73% |
| Wednesday | 63°F | Rain Showers Likely | 16 mph E | 70% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 to 16 mph E | 49% |
| Thursday | 65°F | Chance Rain Showers | 13 mph E | 49% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 5 to 10 mph NE | 16% |
| Friday | 69°F | Slight Chance Rain Showers | 6 to 10 mph NE | 15% |
| Friday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 13% |
| Saturday | 71°F | Mostly Sunny | 6 to 10 mph N | 10% |
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 Sep 20, 2026.