Mechanicsburg, Pennsylvania Weather
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Click for Special Weather Statement for Mechanicsburg, Pennsylvania
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Weather Forecast for Mechanicsburg, Pennsylvania : Beaver County
Issued: 10:03 pm EDT Sep 4, 2025 Latitude: 40.5617332 Longitude: -80.4028424 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Patchy Fog on Tonight Mostly Cloudy on Friday 80% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday
Low: 54°F High: 80°F High: 63°F High: 66°F High: 67°F High: 72°F High: 77°F High: 76°F
Low: 56°F Low: 48°F Low: 44°F Low: 45°F Low: 49°F Low: 52°F  
Patchy Fog Mostly Cloudy Rain Mostly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
PITTSBURGH - (KPIT)
59°
Mostly Clear
as of 9:51 PM EDST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 9 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 100ft, Few at 1500ft
Current Conditions at
BUTLER COUNTY - (KBTP)
55°
Cloudy
Mist
as of 10:24 PM EDST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 2 1/2 Miles
Pressure: 29.86 in.
Flight Rule: IFR
Wind Data
3 MPH
090° East
Cloud Level(s): Solid Overcast at 3400ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
59°
Cloudy
Fog
as of 10:25 PM EDST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 1/4 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
5 MPH
150° Southeast
Patchy Fog on Tonight Tonight... Patchy fog. Otherwise, mostly cloudy, with a low around 54. Calm wind.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely, then showers after 2am. Low around 56. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of rain Saturday Saturday... Showers, mainly before 2pm. High near 63. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48. West wind around 5 mph becoming calm in the evening.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 66.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 44.
Sunny on Monday Monday... Sunny, with a high near 67.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 45.
Sunny on Tuesday Tuesday... Sunny, with a high near 72.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 49.
Sunny on Wednesday Wednesday... Sunny, with a high near 77.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 52.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 76.
Current Radar Image


Sun Almanac for Mechanicsburg, Pennsylvania
Sunrise: 06:52 AM
Sunset: 7:49 PM
Civil Sunrise:06:24 AM
Civil Sunset: 8:17 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 8:50 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 9:24 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.