Gregg, PA Weather Forecast
Union County, Pennsylvania
Live radar, warnings and storm tracking for Gregg, 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 Gregg
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Gregg, PA at a glance
Gregg is home to about 3,952 people in Union County, across 15 square miles. It ranks 676th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is White Deer, 4 miles away.
- County
- Union County
- Population
- 3,952 2023 est.
- Land area
- 15 sq mi
- People per sq mi
- 266
- Forecast point
- 41.1139°N, 76.9351°W
How well can the network see Gregg?
The nearest Doppler radar is KCCX (State College, PA), to the WSW. Its lowest scan passes about 4,300 ft above Gregg. The beam is above the lowest few thousand feet here, so a warning for Gregg can come before anything looks dramatic on radar.
The closest weather station is KIPT (Williamsport Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Gregg
- White Deer, PA4 mi
- Delaware, PA5 mi
- Clinton, PA6 mi
- Kelly, PA8 mi
- South Williamsport, PA9 mi
- Milton, PA9 mi
- Montoursville, PA9 mi
- West Buffalo, PA10 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

