Derry, PA Weather Forecast
Dauphin County, Pennsylvania
Live radar, warnings and storm tracking for Derry, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Derry
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Derry, PA at a glance
Derry is home to about 24,944 people in Dauphin County, across 27 square miles. It ranks 65th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Hummelstown, 3 miles away.
- County
- Dauphin County
- Population
- 24,944 2023 est.
- Land area
- 27 sq mi
- People per sq mi
- 919
- Forecast point
- 40.2678°N, 76.6531°W
How well can the network see Derry?
The nearest Doppler radar is KCCX (State College, PA), to the WNW. Its lowest scan passes about 7,400 ft above Derry. The beam is above the lowest few thousand feet here, so a warning for Derry can come before anything looks dramatic on radar.
The closest weather station is KMDT (Harrisburg Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Derry
Elsewhere in Pennsylvania
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