Derry, PA Weather Forecast
Westmoreland 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 2,586 people in Westmoreland County, across 0.8 square miles. It ranks 952nd by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Latrobe, 5 miles away.
- County
- Westmoreland County
- Population
- 2,586 2023 est.
- Land area
- 0.8 sq mi
- People per sq mi
- 3,350
- Forecast point
- 40.3334°N, 79.3011°W
How well can the network see Derry?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the WNW. Its lowest scan passes about 3,600 ft above Derry. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KLBE (Latrobe/Palmer Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Derry
- Latrobe, PA5 mi
- Blairsville, PA7 mi
- Unity, PA8 mi
- Burrell, PA9 mi
- Greensburg, PA13 mi
- Salem, PA13 mi
- Hempfield, PA15 mi
- Delmont, PA15 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →