Thompsontown, Pennsylvania Weather
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Weather Forecast for Thompsontown, Pennsylvania : Juniata County
Issued: 1:05 pm EDT Sep 4, 2025 Latitude: 40.5645255 Longitude: -77.2372079 View on Google Maps

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Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
50% 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
Low: 58°F High: 83°F High: 78°F High: 73°F High: 72°F High: 73°F High: 75°F High: 77°F
Low: 62°F Low: 52°F Low: 45°F Low: 45°F Low: 47°F Low: 50°F  
Thunderstorms Morning Fog Thunderstorms Mostly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
66°
Cloudy
as of 7:53 PM EDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 9000ft
Current Conditions at
HARRISBURG - (KCXY)
70°
Cloudy
as of 7:56 PM EDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Scattered at 6000ft, Broken at 9000ft, Solid Overcast at 11000ft
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
70°
Cloudy
Light Rain
as of 7:56 PM EDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 8 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Scattered at 5500ft, Broken at 7000ft, Solid Overcast at 11000ft
Current Conditions at
MUIR AAF - (KMUI)
70°
Mostly Cloudy
as of 7:55 PM EDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 1100ft, Scattered at 3500ft, Broken at 10000ft
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth 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. Calm wind becoming southwest 5 to 8 mph in the afternoon.
20% chance of rain Friday Night Friday Night... A slight chance of showers after 2am. Increasing clouds, with a low around 62. Light south wind. Chance of precipitation is 20%.
80% chance of thunderstorms Saturday Saturday... Showers likely, then showers and possibly a thunderstorm after 11am. High near 78. Calm wind becoming west around 6 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.
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. Light northwest wind. 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 73.
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 45.
Sunny on Tuesday Tuesday... Sunny, with a high near 73.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 47.
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 Thompsontown, Pennsylvania
Sunrise: 06:40 AM
Sunset: 7:36 PM
Civil Sunrise:06:12 AM
Civil Sunset: 8:04 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 8:37 PM
Astro Sunrise: 05:04 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.