Spring Valley, Pennsylvania Weather
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Weather Forecast for Spring Valley, Pennsylvania : Dauphin County
Issued: 1:05 pm EDT Sep 4, 2025 Latitude: 40.2850892 Longitude: -76.823861 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
60% chance of thunderstorms on This Afternoon 80% chance of thunderstorms on Tonight Mostly Cloudy 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: 84°F Low: 62°F High: 85°F High: 82°F High: 74°F High: 73°F High: 74°F High: 76°F High: 79°F
Low: 65°F Low: 57°F Low: 50°F Low: 48°F Low: 49°F Low: 52°F  
Thunderstorms Thunderstorms Mostly Cloudy Thunderstorms Mostly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
HARRISBURG - (KCXY)
77°
Mostly Clear
as of 3:56 PM EDST
Rel. Humidity: 69%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Few at 10000ft, Few at 12000ft
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
75°
Cloudy
Light Rain
as of 3:56 PM EDST
Rel. Humidity: 73%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
5 MPH
130° Southeast
Cloud Level(s): Scattered at 4900ft, Broken at 8500ft, Solid Overcast at 11000ft
Current Conditions at
COLLEGE PARK ARPT - (KCGS)
72°
Cloudy
Rain Mist
as of 4:05 PM EDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 7 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 18 MPH
160° South
Cloud Level(s): Scattered at 2200ft, Scattered at 6500ft, Solid Overcast at 11000ft
60% chance of thunderstorms This Afternoon This Afternoon... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Low around 62. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the morning.
Increasing Clouds on Friday Night Friday Night... Increasing clouds, with a low around 65. South wind 3 to 6 mph.
80% chance of thunderstorms Saturday Saturday... A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 82. Calm wind becoming west 5 to 8 mph in the morning. 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. Low around 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 74.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 50.
Sunny on Monday Monday... Sunny, with a high near 73.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 48.
Sunny on Tuesday Tuesday... Sunny, with a high near 74.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 49.
Sunny on Wednesday Wednesday... Sunny, with a high near 76.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 52.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Spring Valley, Pennsylvania
Sunrise: 06:38 AM
Sunset: 7:34 PM
Civil Sunrise:06:10 AM
Civil Sunset: 8:02 PM
Nautical Sunrise: 05:38 AM
Nautical Sunset: 8:35 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 9:09 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.