Union, PA Weather Forecast
Adams County, Pennsylvania
Live radar, warnings and storm tracking for Union, 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 Union
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Union, PA at a glance
Union is home to about 3,115 people in Adams County, across 17 square miles. It ranks 817th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Littlestown, 2 miles away.
- County
- Adams County
- Population
- 3,115 2023 est.
- Land area
- 17 sq mi
- People per sq mi
- 180
- Forecast point
- 39.7559°N, 77.0498°W
How well can the network see Union?
The nearest Doppler radar is KLWX (Sterling, VA), to the SSW. Its lowest scan passes about 4,400 ft above Union. The beam is above the lowest few thousand feet here, so a warning for Union can come before anything looks dramatic on radar.
The closest weather station is KDMW (Westminster/Carroll Cnty Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Union
- Littlestown, PA2 mi
- Conewago, PA3 mi
- Germany, PA3 mi
- McSherrystown, PA4 mi
- Hanover, PA5 mi
- Penn, PA5 mi
- Mount Pleasant, PA6 mi
- West Manheim, PA6 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

