Fairville, Pennsylvania Weather
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Weather Forecast for Fairville, Pennsylvania : Union County
Issued: 1:05 pm EDT Sep 4, 2025 Latitude: 40.9517514 Longitude: -76.902189 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
90% chance of thunderstorms on This Afternoon 60% chance of thunderstorms on Tonight Morning Fog on Friday 80% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday
High: 82°F Low: 58°F High: 83°F High: 76°F High: 72°F High: 72°F High: 73°F High: 75°F High: 77°F
Low: 63°F Low: 52°F Low: 45°F Low: 44°F Low: 46°F Low: 50°F  
Thunderstorms Thunderstorms Morning Fog Thunderstorms Mostly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
72°
Mostly Cloudy
as of 3:53 PM EDST
Rel. Humidity: 78%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 3800ft, Broken at 10000ft
Current Conditions at
WILLIAMSPORT - (KIPT)
79°
Mostly Clear
as of 3:54 PM EDST
Rel. Humidity: 50%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.70 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 21 MPH
230° Southwest
Cloud Level(s): Few at 4600ft
Current Conditions at
UNIVERSITY PARK - (KUNV)
72°
Mostly Cloudy
as of 3:53 PM EDST
Rel. Humidity: 64%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
10 MPH
220° Southwest
Cloud Level(s): Scattered at 3700ft, Broken at 4500ft, Broken at 5500ft
90% chance of thunderstorms This Afternoon This Afternoon... Showers and possibly a thunderstorm. High near 82. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 58. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Morning Fog on Friday Friday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
20% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
80% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 76. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Saturday Night Saturday Night... Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 72.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45.
Sunny on Monday Monday... Sunny, with a high near 72.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 44.
Sunny on Tuesday Tuesday... Sunny, with a high near 73.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 46.
Sunny on Wednesday Wednesday... Sunny, with a high near 75.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 50.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 77.
Current Radar Image


Sun Almanac for Fairville, Pennsylvania
Sunrise: 06:38 AM
Sunset: 7:35 PM
Civil Sunrise:06:10 AM
Civil Sunset: 8:03 PM
Nautical Sunrise: 05:37 AM
Nautical Sunset: 8:36 PM
Astro Sunrise: 05:02 AM
Astro Sunset: 9:11 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.