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Adelaide, Pennsylvania Weather Forecast
Adelaide, Pennsylvania Weather
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Weather Forecast for Adelaide, Pennsylvania : Fayette County
Issued: 6:21 pm EST Dec 20, 2025 Latitude: 40.0434074 Longitude: -79.623928 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Cloudy on Tonight Sunny on Sunday Increasing Clouds on Monday 70% chance of rain on Tuesday Partly Sunny on Wednesday 70% chance of rain on Christmas Day 50% chance of rain on Friday 40% chance of rain on Saturday
Low: 28°F High: 36°F High: 42°F High: 50°F High: 45°F High: 57°F High: 57°F High: 52°F
Low: 14°F Low: 32°F Low: 30°F Low: 34°F Low: 49°F Low: 40°F  
Cloudy Sunny Increasing Clouds Rain Partly Sunny Rain Rain Rain
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Current Conditions at
LATROBE - (KLBE)
43°
Feels like 36°F
Partly Cloudy
as of 5:47 PM EST
Rel. Humidity: 41%
Dew Point: 21°F
Visibility: 9 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Scattered at 6000ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
45°
Feels like 38°F
Clear
as of 5:53 PM EST
Rel. Humidity: 30%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MORGANTOWN - (KMGW)
43°
Clear
as of 5:53 PM EST
Rel. Humidity: 38%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
3 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
PITTSBURGH - (KPIT)
46°
Feels like 41°F
Mostly Cloudy
as of 5:51 PM EST
Rel. Humidity: 26%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Broken at 16000ft, Broken at 23000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 28. South wind around 7 mph becoming west after midnight.
Sunny on Sunday Sunday... Sunny, with a high near 36. West wind 7 to 13 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.
Increasing Clouds on Monday Monday... Increasing clouds, with a high near 42. Light south wind.
80% chance of rain & snow Monday Night Monday Night... A chance of rain and snow before 10pm, then rain. Low around 32. Calm wind becoming southwest 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
70% chance of rain Tuesday Tuesday... Rain likely, mainly before 1pm. Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 45.
80% chance of rain Wednesday Night Wednesday Night... Rain, mainly after 1am. Low around 34. Chance of precipitation is 80%.
70% chance of rain Christmas Day Christmas Day... Rain likely, mainly before 1pm. Cloudy, with a high near 57. Chance of precipitation is 70%.
70% chance of rain Thursday Night Thursday Night... Rain likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
50% chance of rain Friday Friday... A chance of rain. Cloudy, with a high near 57. Chance of precipitation is 50%.
40% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
40% chance of rain Saturday Saturday... A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Adelaide, Pennsylvania
Sunrise: 07:37 AM
Sunset: 4:56 PM
Civil Sunrise:07:06 AM
Civil Sunset: 5:27 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:34 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.