New Castle, PA Weather Forecast
Lawrence County, Pennsylvania
Live radar, warnings and storm tracking for New Castle, 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 New Castle
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
New Castle, PA at a glance
New Castle is home to about 21,413 people in Lawrence County, across 8.3 square miles. It ranks 78th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Union, 3 miles away.
- County
- Lawrence County
- Population
- 21,413 2023 est.
- Land area
- 8.3 sq mi
- People per sq mi
- 2,578
- Forecast point
- 40.9956°N, 80.3458°W
How well can the network see New Castle?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the SSE. Its lowest scan passes about 2,000 ft above New Castle. Close enough to see rotation in the low part of a storm, where tornadoes form. New Castle is closer to its radar than 67% of US cities.
The closest weather station is KUCP (New Castle Muni). Close enough that its readings are the conditions in town.
Forecasts near New Castle
- Union, PA3 mi
- Neshannock, PA4 mi
- Shenango, PA4 mi
- North Beaver, PA6 mi
- Mahoning, PA7 mi
- Wilmington, PA8 mi
- Pulaski, PA9 mi
- Ellwood City, PA10 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →