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Laboratory, Pennsylvania Weather Forecast
Laboratory, Pennsylvania Weather
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Weather Forecast for Laboratory, Pennsylvania : Washington County
Issued: 6:14 pm EST Jan 22, 2026 Latitude: 40.1550713 Longitude: -80.2133927 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Tonight Mostly Sunny on Friday 30% chance of snow on Saturday 100% chance of snow on Sunday 50% chance of snow on Monday Partly Sunny on Tuesday 30% chance of snow on Wednesday 30% chance of snow on Thursday
Low: 18°F High: 14 °F High: 14°F High: 26°F High: 17°F High: 18°F High: 22°F High: 17°F
Low: 0 °F Low: 11°F Low: 12°F Low: -1°F Low: 9°F Low: 6 °F  
Mostly Cloudy Mostly Sunny Snow Snow Snow Partly Sunny Snow Snow
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Current Conditions at
WASHINGTON - (KAFJ)
28°
Clear
as of 6:56 PM EST
Rel. Humidity: 46%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
28°
Feels like 18°F
Clear
as of 6:53 PM EST
Rel. Humidity: 39%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
WHEELING - (KHLG)
28°
Feels like 18°F
Clear
as of 6:53 PM EST
Rel. Humidity: 39%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 20 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
PITTSBURGH - (KPIT)
28°
Feels like 19°F
Mostly Cloudy
as of 6:51 PM EST
Rel. Humidity: 39%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
10 MPH
240° Southwest
Cloud Level(s): Broken at 22000ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 18. West wind around 9 mph, with gusts as high as 20 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 0. Wind chill values as low as -8. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

30% chance of snow Saturday Saturday... A chance of snow after 1pm. Mostly cloudy and cold, with a high near 14. Wind chill values as low as -7. Northeast wind 3 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

100% chance of snow Saturday Night Saturday Night... Snow. Low around 11. East wind around 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

100% chance of snow Sunday Sunday... Snow. High near 26. Chance of precipitation is 100%.

90% chance of snow Sunday Night Sunday Night... Snow. Low around 12. Chance of precipitation is 90%.

50% chance of snow Monday Monday... A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around -1.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 18.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 9.

30% chance of snow Wednesday Wednesday... A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.

40% chance of snow Wednesday Night Wednesday Night... A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 40%.

30% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Laboratory, Pennsylvania
Sunrise: 07:37 AM
Sunset: 5:28 PM
Civil Sunrise:07:08 AM
Civil Sunset: 5:57 PM
Nautical Sunrise: 06:35 AM
Nautical Sunset: 6:30 PM
Astro Sunrise: 06:03 AM
Astro Sunset: 7:02 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.