Dayton, Pennsylvania Weather
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Weather Forecast for Dayton, Pennsylvania : Dauphin County
Issued: 12:35 pm EDT Sep 3, 2025 Latitude: 40.5767532 Longitude: -76.6485761 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight 50% chance of thunderstorms on Thursday Mostly Sunny on Friday 70% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday
Low: 55°F High: 81°F High: 80°F High: 73°F High: 69°F High: 69°F High: 71°F High: 71°F
Low: 57°F Low: 60°F Low: 49°F Low: 45°F Low: 45°F Low: 47°F  
Mostly Clear Thunderstorms Mostly Sunny Thunderstorms Mostly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
77°
Partly Cloudy
as of 3:53 PM EDST
Rel. Humidity: 44%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Scattered at 6500ft
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
81°
Mostly Clear
as of 3:56 PM EDST
Rel. Humidity: 32%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Few at 7000ft
Current Conditions at
HARRISBURG - (KCXY)
81°
Partly Cloudy
as of 3:56 PM EDST
Rel. Humidity: 32%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Scattered at 7000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 55. South wind 3 to 5 mph.
50% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 81. South wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Night Thursday Night... Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
20% chance of rain Friday Night Friday Night... A slight chance of showers. Partly cloudy, with a low around 60. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
70% chance of thunderstorms Saturday Saturday... A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 69.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 45.
Sunny on Monday Monday... Sunny, with a high near 69.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 45.
Sunny on Tuesday Tuesday... Sunny, with a high near 71.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 47.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 71.
Current Radar Image


Sun Almanac for Dayton, Pennsylvania
Sunrise: 06:36 AM
Sunset: 7:35 PM
Civil Sunrise:06:08 AM
Civil Sunset: 8:03 PM
Nautical Sunrise: 05:35 AM
Nautical Sunset: 8:36 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 9:11 PM
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