Knoxville, Pennsylvania Weather
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Weather Forecast for Knoxville, Pennsylvania : Allegheny County
Issued: 4:01 pm EDT Apr 29, 2025 Latitude: 40.4197915 Longitude: -79.994775 View on Google Maps

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This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
80% chance of thunderstorms on This Afternoon 80% chance of thunderstorms on Tonight Sunny on Wednesday 80% chance of thunderstorms on Thursday 80% chance of rain on Friday 60% chance of on Saturday 30% chance of rain on Sunday Sunny on Monday
High: 84°F Low: 46°F High: 68°F High: 80°F High: 74°F High: 62°F High: 64°F High: 70°F
Low: 53°F Low: 63°F Low: 52°F Low: 42°F Low: 46°F  
Thunderstorms Thunderstorms Sunny Thunderstorms Rain Partly Sunny Rain Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
82°
Partly Cloudy
as of 3:53 PM EDST
Rel. Humidity: 42%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 33 MPH
220° Southwest
Cloud Level(s): Scattered at 7000ft
Current Conditions at
PITTSBURGH - (KPIT)
84°
Mostly Cloudy
as of 3:51 PM EDST
Rel. Humidity: 39%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 31 MPH
200° South
Cloud Level(s): Scattered at 5500ft, Scattered at 10000ft, Broken at 25000ft
Current Conditions at
WASHINGTON - (KAFJ)
81°
Mostly Cloudy
as of 3:56 PM EDST
Rel. Humidity: 47%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 25 MPH
230° Southwest
Cloud Level(s): Few at 6000ft, Broken at 9000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
82°
Mostly Clear
as of 3:56 PM EDST
Rel. Humidity: 48%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 31 MPH
210° Southwest
Cloud Level(s): Few at 5500ft
80% chance of thunderstorms This Afternoon This Afternoon... A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 84. Southwest wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 46. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunny on Wednesday Wednesday... Sunny, with a high near 68. North wind 5 to 7 mph becoming calm in the afternoon.
20% chance of rain Wednesday Night Wednesday Night... A slight chance of showers after 2am. Partly cloudy, with a low around 53. Light east wind. Chance of precipitation is 20%.
80% chance of thunderstorms Thursday Thursday... Showers, with thunderstorms also possible after 5pm. High near 80. South wind 6 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 63. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of rain Friday Friday... Showers, mainly after 8am. High near 74. Chance of precipitation is 80%.
60% chance of rain Friday Night Friday Night... Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
60% chance of Saturday Saturday... Showers likely, mainly before 2pm. Partly sunny, with a high near 62. Chance of precipitation is 60%.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
30% chance of rain Sunday Sunday... A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
30% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly clear, with a low around 46. Chance of precipitation is 30%.
Sunny on Monday Monday... Sunny, with a high near 70.
Current Radar Image


Sun Almanac for Knoxville, Pennsylvania
Sunrise: 06:21 AM
Sunset: 8:14 PM
Civil Sunrise:05:52 AM
Civil Sunset: 8:43 PM
Nautical Sunrise: 05:16 AM
Nautical Sunset: 9:19 PM
Astro Sunrise: 04:37 AM
Astro Sunset: 9:57 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.