Westmoreland County, PA Weather Forecast
County weather hub
Showers And Thunderstorms
Compare major city weather across Westmoreland County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms after 8am. Partly sunny, with a high near 77. Southwest wind 8 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
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
- Oct 14 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 10:40 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 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 18 to 25 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:40 AM EDT
- Coverage
- 6 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
Rain showers before 2am. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers after 2pm. Partly sunny, with a high near 70. East wind around 6 mph. Chance of precipitation is 40%.
Rain showers likely before 11pm, then showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 67. Chance of precipitation is 90%.
A chance of rain showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 31.
Sunny, with a high near 60.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
77°F |
8 to 12 mph
SW
|
|
Wednesday Night
Oct 14
|
Rain Showers
|
55°F |
7 mph
N
|
|
Thursday
Oct 15
|
Partly Sunny then Chance Rain Showers
|
70°F |
6 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
59°F |
6 to 17 mph
S
|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
67°F |
18 to 25 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
37°F |
16 to 24 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
51°F |
18 to 22 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
31°F |
1 to 16 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
6 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
6 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
65°F |
5 to 8 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
2 to 6 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.
