Derry, Pennsylvania Weather
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Weather Forecast for Derry, Pennsylvania : Columbia County
Issued: 12:35 pm EDT Sep 3, 2025 Latitude: 41.0759188 Longitude: -76.6160648 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight 80% chance of thunderstorms on Thursday Mostly Sunny on Friday 60% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday
Low: 59°F High: 83°F High: 83°F High: 74°F High: 73°F High: 72°F High: 75°F High: 76°F
Low: 60°F Low: 62°F Low: 51°F Low: 47°F Low: 46°F Low: 50°F  
Mostly Clear Thunderstorms Mostly Sunny Thunderstorms Mostly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
WILLIAMSPORT - (KIPT)
79°
Mostly Cloudy
as of 3:54 PM EDST
Rel. Humidity: 36%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Scattered at 7500ft, Broken at 9000ft
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
READING - (KRDG)
82°
Clear
as of 3:54 PM EDST
Rel. Humidity: 30%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 59. South wind around 6 mph becoming east after midnight.
80% chance of thunderstorms Thursday Thursday... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 83. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. 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 Thursday Night Thursday Night... Showers and possibly a thunderstorm, mainly before 2am. Low around 60. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 83. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
30% chance of rain Friday Night Friday Night... A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
60% chance of thunderstorms Saturday Saturday... Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
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 47.
Sunny on Monday Monday... Sunny, with a high near 72.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 46.
Sunny on Tuesday Tuesday... Sunny, with a high near 75.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 50.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 76.
Current Radar Image


Sun Almanac for Derry, Pennsylvania
Sunrise: 06:36 AM
Sunset: 7:36 PM
Civil Sunrise:06:08 AM
Civil Sunset: 8:04 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 8:37 PM
Astro Sunrise: 04:59 AM
Astro Sunset: 9:12 PM
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