Belknap, Pennsylvania Weather
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Weather Forecast for Belknap, Pennsylvania : Armstrong County
Issued: 1:02 pm EDT Sep 3, 2025 Latitude: 40.8992318 Longitude: -79.3028178 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon Cloudy on Tonight 80% chance of thunderstorms on Thursday Mostly Sunny on Friday 60% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday
High: 80°F Low: 58°F High: 70°F High: 78°F High: 66°F High: 67°F High: 69°F High: 74°F
Low: 50°F Low: 55°F Low: 46°F Low: 43°F Low: 44°F  
Sunny Cloudy Thunderstorms Mostly Sunny Rain Mostly Sunny Sunny Sunny
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Current Conditions at
STEWART FIELD - (KIDI)
81°
Mostly Cloudy
as of 3:15 PM EDST
Rel. Humidity: 32%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
7 MPH
Gust: 21 MPH
210° Southwest
Cloud Level(s): Broken at 7000ft, Broken at 8500ft
Current Conditions at
DUBOIS - (KDUJ)
79°
Partly Cloudy
as of 2:53 PM EDST
Rel. Humidity: 29%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 8000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
82°
Mostly Cloudy
as of 2:56 PM EDST
Rel. Humidity: 34%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 21 MPH
240° Southwest
Cloud Level(s): Scattered at 6500ft, Broken at 8000ft
Current Conditions at
LATROBE - (KLBE)
81°
Partly Cloudy
as of 2:55 PM EDST
Rel. Humidity: 42%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
16 MPH
210° Southwest
Cloud Level(s): Scattered at 6500ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 80. Southwest wind around 7 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 58. South wind around 6 mph.
80% chance of thunderstorms Thursday Thursday... Showers and possibly a thunderstorm. High near 70. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
60% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 78. Southwest wind 5 to 13 mph, with gusts as high as 24 mph.
60% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
60% chance of rain Saturday Saturday... Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 46.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 67.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 43.
Sunny on Monday Monday... Sunny, with a high near 69.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 44.
Sunny on Tuesday Tuesday... Sunny, with a high near 74.
Current Radar Image


Sun Almanac for Belknap, Pennsylvania
Sunrise: 06:47 AM
Sunset: 7:46 PM
Civil Sunrise:06:19 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:45 AM
Nautical Sunset: 8:48 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 9:22 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.