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Brownstown, Pennsylvania Weather Forecast
Brownstown, Pennsylvania Weather
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Weather Forecast for Brownstown, Pennsylvania : Armstrong County
Issued: 2:23 pm EST Jan 8, 2026 Latitude: 40.5483989 Longitude: -79.5130985 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on This Afternoon Partly Cloudy on Tonight 80% chance of rain on Friday 90% chance of rain on Saturday 70% chance of snow on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday 60% chance of rain on Wednesday
High: 52°F Low: 42°F High: 60°F High: 51°F High: 35°F High: 36°F High: 42°F High: 40°F
Low: 38°F Low: 31°F Low: 23°F Low: 26°F Low: 31°F  
Mostly Sunny Partly Cloudy Rain Rain Snow Partly Sunny Mostly Sunny Rain
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Current Conditions at
LATROBE - (KLBE)
55°
Mostly Cloudy
as of 3:47 PM EST
Rel. Humidity: 54%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Broken at 7000ft
Current Conditions at
STEWART FIELD - (KIDI)
55°
Clear
as of 3:55 PM EST
Rel. Humidity: 43%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
54°
Clear
as of 3:53 PM EST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
Mostly Cloudy
as of 3:56 PM EST
Wind Data
Calm
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 52. Southeast wind around 5 mph.
Partly Cloudy on Tonight Tonight... Cloudy, then gradually becoming partly cloudy, with a low around 42. Southeast wind 7 to 10 mph.
80% chance of rain Friday Friday... Rain, mainly after 9am. High near 60. South wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Friday Night Friday Night... A chance of rain, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Saturday Saturday... Rain. High near 51. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
70% chance of rain & snow Saturday Night Saturday Night... Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of snow Sunday Sunday... Snow showers likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 23.
Partly Sunny on Monday Monday... Partly sunny, with a high near 36.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 26.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 42.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.
60% chance of rain Wednesday Wednesday... Showers likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Brownstown, Pennsylvania
Sunrise: 07:41 AM
Sunset: 5:08 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:39 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:13 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 6:46 PM
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