Webster, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster, a community in Westmoreland County, Pennsylvania.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Webster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 5 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 2 to 6 mph SE | 1% |
| Wednesday | 86°F | Mostly Sunny then Isolated Showers And Thunderstorms | 2 to 6 mph SE | 16% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 2 to 6 mph S | 49% |
| Thursday | 85°F | Showers And Thunderstorms | 5 to 9 mph SW | 75% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 75% |
| Friday | 84°F | Showers And Thunderstorms | 5 to 9 mph SW | 82% |
| Friday Night | 67°F | Showers And Thunderstorms | 7 mph SW | 82% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 9 mph SW | 59% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 8 mph SW | 59% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 24% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph SW | 24% |
| Monday | 86°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 38% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Webster (40.192, -79.851). Updated through the day.
Growing snapshot for Webster
Last spring frost
Apr 27
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
More local growing data for Webster: nearby ZIP 15087 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Donora 1 Sw, Pa (2.2 mi from Webster). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.