Derry, PA Weather Forecast
Mifflin County, Pennsylvania
Live radar, warnings and storm tracking for Derry, with free alerts the moment it counts.
The next few hours
A dry morning, mostly cloudy
It is 41°, but the wind is taking it down to 39° on exposed skin. The sky is mostly cloudy. The air is close to calm.
The wind turns to the northwest around 9 AM. Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 35°. Tomorrow tops out near 56°.
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
29–62°F across the weekThe week runs between 28° and 62°, with Friday the warmest day of it. There is no real trend across it: one day looks much like the next. Every day in the outlook stays dry.
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 7,231 people in Mifflin County, across 31 square miles. It ranks 370th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Lewistown, 3 miles away.
- County
- Mifflin County
- Population
- 7,231 2023 est.
- Land area
- 31 sq mi
- People per sq mi
- 235
- Forecast point
- 40.6359°N, 77.5339°W
How well can the network see Derry?
The nearest Doppler radar is KCCX (State College, PA), to the NW. Its lowest scan passes about 2,000 ft above Derry. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Derry show up clearly. Derry is closer to its radar than 68% of US cities.
The closest weather station is KRVL (Reedsville/Mifflin Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Derry
- Lewistown, PA3 mi
- Granville, PA6 mi
- Brown, PA7 mi
- Decatur, PA8 mi
- Fermanagh, PA8 mi
- Armagh, PA9 mi
- Union, PA10 mi
- Walker, PA13 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →