Westmoreland County, PA Weather Forecast
County weather hub
Sunny
Compare major city weather across Westmoreland County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 88. South wind around 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Westmoreland County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 21 of 21 mapped cities in Westmoreland County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 8:02 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Westmoreland County
Wednesday looks like the warmest upcoming period in Westmoreland County at 92 degrees F.
Thursday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 10 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 8:02 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67.
Sunny, with a high near 92.
Mostly clear, with a low around 66.
Mostly sunny, with a high near 88.
Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
3 mph
S
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
67°F |
2 to 6 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
6 to 10 mph
SW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
0 to 9 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
88°F |
0 to 8 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
64°F |
0 to 7 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
0 to 8 mph
W
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
64°F |
2 to 7 mph
NE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
85°F |
3 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
64°F |
6 to 9 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Westmoreland County.
Coverage
Forecast coverage currently spans 21 of 21 mapped cities in Westmoreland County.
Largest mapped city population in this region: 20,134.
