Westmoreland County, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Cloudy with Light Snow 10°F
Feels Like -4°F  
Humidity 83% Dew Point 6°F Wind WSW 11 MPH Gusts 16 Barometer 30.4 in.
Report from a MADIS/MESONET weather station 2.4 mi. NNW of central Westmoreland County
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Point Forecast at a Glance

SunDec 14
Sun Dec 14: Snow Showers, Low 10F
20%
 
10
MonDec 15
Mon Dec 15: Mostly Cloudy, High 21F, Low 13F
21
13
TueDec 16
Tue Dec 16: Mostly Sunny, High 34F, Low 27F
34
27
WedDec 17
Wed Dec 17: Partly Sunny, High 40F, Low 27F
40
27
ThuDec 18
Thu Dec 18: Rain Likely, High 52F, Low 23F
60%
52
23
FriDec 19
Fri Dec 19: Mostly Cloudy, High 30F, Low 18F
30
18
SatDec 20
Sat Dec 20: Rain, High 46F, Low 34F
30%
46
34

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 21°F to a high of 52°F by week's end. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for December. Normal highs for this period are around 41°F with lows around 25°F.

This Date in Weather History

1988 - Blowing snow was reported in western Kansas, as snow and gusty winds plagued the Central Rockies and Central High Plains. Colorado Springs CO reported thirteen inches of snow. Low pressure in Wisconsin brought heavy snow to the Lake Superior snowbelt area, with 22 inches reported at Marquette MI.

More on this and other weather history

Westmoreland County, PA 7 Day Weather Forecast Details

Sunday Dec 14

Snow Showers

Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 10. Wind chill values as low as -4. West wind around 10 mph. Chance of precipitation is 20%.

Monday Dec 15

Mostly Cloudy

Day: Mostly cloudy, with a high near 21. Wind chill values as low as -4. Southwest wind 10 to 13 mph.

Mostly Clear

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Southwest wind 7 to 9 mph.

Tuesday Dec 16

Mostly Sunny

Day: Mostly sunny, with a high near 34. Southwest wind 6 to 10 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 27. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

Wednesday Dec 17

Partly Sunny

Day: Partly sunny, with a high near 40.

Mostly Cloudy

Night: Mostly cloudy, with a low around 27.

Thursday Dec 18

Rain Likely

Day: Rain likely after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

Rain And Snow

Night: Rain before 1am, then rain and snow likely. Low around 23. Chance of precipitation is 90%.

Friday Dec 19

Mostly Cloudy

Day: Mostly cloudy, with a high near 30.

Mostly Cloudy

Night: Mostly cloudy, with a low around 18.

Saturday Dec 20

Rain

Day: A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

Rain

Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

Sunday Dec 21

Rain

Day: A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.


About Westmoreland County, PA

Westmoreland County is a county in the state of Pennsylvania, United States, in the Pittsburgh Metropolitan Statistical Area. As of the 2020 census the population was 354,663. The county seat is Greensburg and the most populous community is Hempfield Township. It is named after Westmorland, a historic county of England. The county is part of the Southwest region of the commonwealth.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.