Union, PA Weather Forecast
Lawrence County, Pennsylvania
Live radar, warnings and storm tracking for Union, with free alerts the moment it counts.
The next few hours
A dry afternoon, partly cloudy
It is 48°, but the wind is taking it down to 46° on exposed skin. The sky is partly cloudy.
The wind backs into the south around 9 PM, which is the turn that usually comes ahead of the change rather than after it. 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
Dry and warming through tomorrow
Nothing wet is expected over the next day and a half.
The overnight low settles near 34°. Tomorrow reaches 60°, 9° warmer than today. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
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 29° and 60°, with tomorrow the warmest day of it. The second half leans cooling, and Friday is the coolest day in it. Thursday is the wettest day, peaking near 57%. 5 of the 7 days stay dry.
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 4,883 people in Lawrence County, across 9.5 square miles. It ranks 553rd by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is New Castle, 3 miles away.
- County
- Lawrence County
- Population
- 4,883 2023 est.
- Land area
- 9.5 sq mi
- People per sq mi
- 513
- Forecast point
- 41.0087°N, 80.3950°W
How well can the network see Union?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the SSE. Its lowest scan passes about 2,200 ft above Union. Close enough to see rotation in the low part of a storm, where tornadoes form. Union is closer to its radar than 64% of US cities.
The closest weather station is KUCP (New Castle Muni). Close enough that its readings are the conditions in town.
Forecasts near Union
- New Castle, PA3 mi
- Neshannock, PA4 mi
- Mahoning, PA4 mi
- North Beaver, PA5 mi
- Shenango, PA6 mi
- Pulaski, PA7 mi
- Wilmington, PA8 mi
- Shenango, PA10 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →