Brentwood, PA Weather Forecast
Allegheny County, Pennsylvania
Live radar, warnings and storm tracking for Brentwood, 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 Brentwood
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Brentwood, PA at a glance
Brentwood is home to about 9,706 people in Allegheny County, across 1.4 square miles. It ranks 250th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Whitehall, 1 miles away.
- County
- Allegheny County
- Population
- 9,706 2023 est.
- Land area
- 1.4 sq mi
- People per sq mi
- 6,698
- Forecast point
- 40.3734°N, 79.9758°W
How well can the network see Brentwood?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the NW. Its lowest scan passes about 910 ft above Brentwood. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Brentwood show up clearly. Brentwood is closer to its radar than 89% of US cities.
The closest weather station is KAGC (Pittsburgh/Allegheny Cnty). Close enough that its readings are the conditions in town.
Forecasts near Brentwood
- Whitehall, PA1 mi
- Baldwin, PA2 mi
- Castle Shannon, PA2 mi
- Mount Oliver, PA3 mi
- Pleasant Hills, PA3 mi
- Dormont, PA4 mi
- Mount Lebanon, PA4 mi
- West Mifflin, PA4 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

