Bellevue, Pennsylvania Weather
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Weather Forecast for Bellevue, Pennsylvania : Allegheny County
Issued: 1:20 am EDT Sep 5, 2025 Latitude: 40.4939576 Longitude: -80.0517216 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Morning Fog on Overnight Morning Fog on Friday 70% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday
Low: 57°F High: 84°F High: 69°F High: 71°F High: 73°F High: 77°F High: 80°F High: 79°F
Low: 57°F Low: 50°F Low: 46°F Low: 49°F Low: 53°F Low: 55°F  
Morning Fog Morning Fog Rain Mostly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
PITTSBURGH - (KPIT)
57°
Clear
Fog
as of 12:51 AM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 1/4 Miles
Pressure: 29.86 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
57°
Cloudy
Fog
as of 1:27 AM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 1/4 Miles
Pressure: 29.86 in.
Flight Rule: IFR
Wind Data
6 MPH
180° South
Current Conditions at
BUTLER COUNTY - (KBTP)
57°
Cloudy
Mist
as of 1:24 AM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 1 Miles
Pressure: 29.88 in.
Flight Rule: LIFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
LATROBE - (KLBE)
54°
Cloudy
Fog
as of 1:35 AM EDST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: Less than 1/4 Miles
Pressure: 29.89 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 100ft
Morning Fog on Overnight Overnight... Widespread dense fog, mainly before 5am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Morning Fog on Friday Friday... Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 57. 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.
70% chance of rain Saturday Saturday... Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 46.
Sunny on Monday Monday... Sunny, with a high near 73.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 49.
Sunny on Tuesday Tuesday... Sunny, with a high near 77.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 53.
Sunny on Wednesday Wednesday... Sunny, with a high near 80.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 55.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Bellevue, Pennsylvania
Sunrise: 06:52 AM
Sunset: 7:46 PM
Civil Sunrise:06:24 AM
Civil Sunset: 8:13 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 8:46 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 9:21 PM
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