Lower Allen, PA Weather Forecast
Cumberland County, Pennsylvania
Live radar, warnings and storm tracking for Lower Allen, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this morning
It is 55° with a dew point of 40°, which is dry for this time of year. The sky is mostly cloudy.
Pressure is easing down, 0.03 inHg over the last hour. The wind turns to the south-southwest around 10 AM. The first rain arrives between 8 AM and 9 AM, with the best chance of it around 11 AM. That leaves a usable window outdoors until about 8 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
Wet weather moves in around 8 AM. Total accumulation over the window comes to about 0.25 in.
The overnight low settles near 49°. Tomorrow tops out near 54°. 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
31–61°F across the weekThe week runs between 32° and 54°, 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 Lower Allen
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Lower Allen, PA at a glance
Lower Allen is home to about 20,380 people in Cumberland County, across 10 square miles. It ranks 92nd by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Camp Hill, 2 miles away.
- County
- Cumberland County
- Population
- 20,380 2023 est.
- Land area
- 10 sq mi
- People per sq mi
- 2,025
- Forecast point
- 40.2088°N, 76.9270°W
How well can the network see Lower Allen?
The nearest Doppler radar is KCCX (State College, PA), to the NW. Its lowest scan passes about 6,300 ft above Lower Allen. The beam is above the lowest few thousand feet here, so a warning for Lower Allen can come before anything looks dramatic on radar.
The closest weather station is KCXY (Harrisburg/Capital City Arpt). Close enough that its readings are the conditions in town.
Forecasts near Lower Allen
- Camp Hill, PA2 mi
- Lemoyne, PA3 mi
- New Cumberland, PA3 mi
- Upper Allen, PA4 mi
- Wormleysburg, PA4 mi
- Mechanicsburg, PA4 mi
- Hampden, PA5 mi
- Fairview, PA5 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

