Sunbury, PA Weather Forecast
Northumberland County, Pennsylvania
Live radar, warnings and storm tracking for Sunbury, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in overnight
It is 50° with a dew point of 38°, which is dry for this time of year. The sky is scattered rain. The air is close to calm.
The barometer has dropped 0.06 inHg in the last hour. A fall that steep is a boundary getting close, not the daily swing. The wind turns to the east-northeast around 3 AM. The first rain arrives between midnight and 1 AM, with the best chance of it around 11 AM.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
The wet part of the window runs from about midnight to 9 AM, 24 hours of it, with the highest chance near 11 AM. Total accumulation over the window comes to about 0.93 in.
It tapers off after 9 AM. The overnight low settles near 46°. Tomorrow tops out near 52°. 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
27–59°F across the weekThe week runs between 29° and 52°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Friday is the wettest day, peaking near 100%. 5 of the 7 days stay dry.
Free alerts for Sunbury
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Sunbury, PA at a glance
Sunbury is home to about 9,539 people in Northumberland County, across 2 square miles. It ranks 260th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Northumberland, 2 miles away.
- County
- Northumberland County
- Population
- 9,539 2023 est.
- Land area
- 2 sq mi
- People per sq mi
- 4,753
- Forecast point
- 40.8615°N, 76.7867°W
How well can the network see Sunbury?
The nearest Doppler radar is KCCX (State College, PA), to the W. Its lowest scan passes about 5,000 ft above Sunbury. The beam is above the lowest few thousand feet here, so a warning for Sunbury can come before anything looks dramatic on radar.
The closest weather station is KSEG (Selinsgrove/Penn Valley Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Sunbury
- Northumberland, PA2 mi
- Monroe, PA4 mi
- Point, PA5 mi
- Selinsgrove, PA6 mi
- Penn, PA7 mi
- East Buffalo, PA8 mi
- West Chillisquaque, PA8 mi
- Lewisburg, PA9 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

