Glenshaw, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Mostly Cloudy 21°F
Feels Like 21°F  
Humidity 88% Dew Point 18°F Wind Calm Barometer 30.07 in.
Solar Rad 36 w/m2
Report from a MADIS/MESONET weather station 1.4 mi. NNW of central Glenshaw
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Point Forecast at a Glance

FriDec 12
Fri Dec 12: Mostly Cloudy, High 31F, Low 20F
31
20
SatDec 13
Sat Dec 13: Snow Showers, High 33F, Low 13F
80%
33
13
SunDec 14
Sun Dec 14: Snow Showers, High 20F, Low 14F
40%
20
14
MonDec 15
Mon Dec 15: Mostly Cloudy, High 22F, Low 14F
22
14
TueDec 16
Tue Dec 16: Partly Sunny, High 32F, Low 25F
32
25
WedDec 17
Wed Dec 17: Mostly Cloudy, High 42F, Low 35F
42
35
ThuDec 18
Thu Dec 18: Showers Likely, High 50F
70%
50
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 31°F to a low of 20°F mid-week, then warm to 50°F. Unsettled weather expected with rain or snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 41°F with lows around 26°F.

This Date in Weather History

1969 - The worst tornado of record for western Washington State tracked south of Seattle, traveling five miles, from Des Moines to Kent. The tornado, 50 to 200 yards in width, began as a waterspout over Puget Sound. One person was injured and the tornado caused half a million dollars damage.

More on this and other weather history

Glenshaw, PA 7 Day Weather Forecast Details

Friday Dec 12

Mostly Cloudy

Day: Mostly cloudy, then gradually becoming sunny, with a high near 31. West wind around 5 mph becoming calm in the afternoon.

Increasing Clouds

Night: Increasing clouds, with a low around 20. Calm wind becoming southwest around 6 mph after midnight.

Saturday Dec 13

Snow Showers

Day: Snow showers, mainly after 1pm. High near 33. Southwest wind 8 to 14 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Snow Showers

Night: Snow showers, mainly before 1am. Low around 13. Northwest wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Sunday Dec 14

Snow Showers

Day: Scattered snow showers. Mostly cloudy, with a high near 20. West wind 10 to 15 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Snow Showers

Night: Scattered snow showers before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.

Monday Dec 15

Mostly Cloudy

Day: Mostly cloudy, with a high near 22.

Mostly Cloudy

Night: Mostly cloudy, with a low around 14.

Tuesday Dec 16

Partly Sunny

Day: Partly sunny, with a high near 32.

Mostly Cloudy

Night: Mostly cloudy, with a low around 25.

Wednesday Dec 17

Mostly Cloudy

Day: Mostly cloudy, with a high near 42.

Showers

Night: A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

Thursday Dec 18

Showers Likely

Day: Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.


About Glenshaw, PA

Glenshaw is a census-designated place within Shaler, Hampton, Indiana, O'Hara and Ross townships in Allegheny County, Pennsylvania, United States. As of the 2020 census, it had a population of 8,945.

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.