Foster, Pennsylvania Weather
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Weather Forecast for Foster, Pennsylvania : Indiana County
Issued: 4:05 pm EDT Sep 4, 2025 Latitude: 40.532566 Longitude: -79.4400412 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
90% chance of thunderstorms on This Afternoon 30% chance of thunderstorms on Tonight Mostly Cloudy on Friday 80% chance of thunderstorms on Saturday Mostly Sunny on Sunday Morning Fog on Monday Patchy Fog on Tuesday Patchy Fog on Wednesday
High: 72°F Low: 55°F High: 81°F High: 66°F High: 68°F High: 70°F High: 75°F High: 78°F
Low: 56°F Low: 47°F Low: 43°F Low: 43°F Low: 48°F  
Thunderstorms Thunderstorms Mostly Cloudy Thunderstorms Mostly Sunny Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
LATROBE - (KLBE)
68°
Mostly Cloudy
as of 3:47 PM EDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Wind Data
17 MPH
Gust: 29 MPH
190° South
Cloud Level(s): Scattered at 1500ft, Broken at 2500ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
66°
Mostly Cloudy
Mist
as of 3:53 PM EDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 5 Miles
Pressure: 29.75 in.
Flight Rule: MVFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Scattered at 2000ft, Broken at 2400ft, Broken at 3100ft
Current Conditions at
BUTLER COUNTY - (KBTP)
63°
Cloudy
as of 3:56 PM EDST
Rel. Humidity: 7%
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
6 MPH
250° West
Cloud Level(s): Scattered at 600ft, Broken at 3400ft, Solid Overcast at 10000ft
90% chance of thunderstorms This Afternoon This Afternoon... Showers and possibly a thunderstorm. High near 72. Southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West 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, except higher amounts possible in thunderstorms.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 81. Southwest wind 5 to 14 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers likely and possibly a thunderstorm, then showers after 2am. Low around 56. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Saturday Saturday... Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. High near 66. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Saturday Night Saturday Night... A chance of showers or sprinkles before 8pm, then a chance of sprinkles between 8pm and 2am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 47. 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 68.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 1am. Otherwise, mostly clear, with a low around 43.
Morning Fog on Monday Monday... Areas of fog before 9am. Otherwise, sunny, with a high near 70.
Morning Fog on Monday Night Monday Night... Patchy fog after 2am. Otherwise, mostly clear, with a low around 43.
Patchy Fog on Tuesday Tuesday... Patchy fog. Otherwise, sunny, with a high near 75.
Patchy Fog on Tuesday Night Tuesday Night... Patchy fog. Otherwise, mostly clear, with a low around 48.
Patchy Fog on Wednesday Wednesday... Patchy fog. Otherwise, sunny, with a high near 78.
Current Radar Image


Sun Almanac for Foster, Pennsylvania
Sunrise: 06:48 AM
Sunset: 7:45 PM
Civil Sunrise:06:21 AM
Civil Sunset: 8:13 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 8:46 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 9:20 PM
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