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 evening, partly cloudy
It is 49°, but the wind is taking it down to 45° on exposed skin. The sky is partly cloudy.
Pressure is easing down, 0.06 inHg over the last hour. The wind turns to the northwest around 9 AM. 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
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 41°. Tomorrow tops out near 52°.
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
29–64°F across the weekThe week runs between 28° and 58°, with Tuesday the warmest day of it. There is no real trend across it: one day looks much like the next. Thursday is the wettest day, peaking near 76%. 4 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 →