South Londonderry, PA Weather Forecast
Lebanon County, Pennsylvania
Live radar, warnings and storm tracking for South Londonderry, 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 South Londonderry
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
South Londonderry, PA at a glance
South Londonderry is home to about 8,795 people in Lebanon County, across 24 square miles. It ranks 293rd by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is South Annville, 4 miles away.
- County
- Lebanon County
- Population
- 8,795 2023 est.
- Land area
- 24 sq mi
- People per sq mi
- 361
- Forecast point
- 40.2395°N, 76.5424°W
How well can the network see South Londonderry?
The nearest Doppler radar is KCCX (State College, PA), to the WNW. Its lowest scan passes about 8,200 ft above South Londonderry. At that range the beam overshoots the base of a storm. If a warning for South Londonderry looks unsupported on radar, trust the warning.
The closest weather station is KMDT (Harrisburg Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near South Londonderry
- South Annville, PA4 mi
- Palmyra, PA6 mi
- North Londonderry, PA6 mi
- Derry, PA6 mi
- Elizabethtown, PA7 mi
- Annville, PA7 mi
- North Cornwall, PA7 mi
- Cornwall, PA7 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

