Chambersburg, PA Weather Forecast
Franklin County, Pennsylvania
Live radar, warnings and storm tracking for Chambersburg, with free alerts the moment it counts.
The next few hours
A dry morning, mostly cloudy
It is 57° with a dew point of 45°, which is dry for this time of year. The sky is mostly cloudy. The air is close to calm.
Pressure is easing down, 0.02 inHg over the last hour. 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 37°. Tomorrow reaches 46°, 11° cooler than today. The humidity goes with it: tomorrow is the more comfortable half of this window, and the safer one for anything outdoors.
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
29–63°F across the weekThe week runs between 29° and 58°, with Wednesday the warmest day of it. There is no real trend across it: one day looks much like the next. Today is the wettest day, peaking near 32%. 6 of the 7 days stay dry.
Free alerts for Chambersburg
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Chambersburg, PA at a glance
Chambersburg is home to about 22,245 people in Franklin County, across 6.9 square miles. It ranks 75th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Hamilton, 4 miles away.
- County
- Franklin County
- Population
- 22,245 2023 est.
- Land area
- 6.9 sq mi
- People per sq mi
- 3,212
- Forecast point
- 39.9314°N, 77.6556°W
How well can the network see Chambersburg?
The nearest Doppler radar is KLWX (Sterling, VA), to the S. Its lowest scan passes about 5,300 ft above Chambersburg. The beam is above the lowest few thousand feet here, so a warning for Chambersburg can come before anything looks dramatic on radar.
The closest weather station is KHGR (Hagerstown Rgnl). Far enough that current conditions for Chambersburg are a reading from somewhere else.
Forecasts near Chambersburg
- Hamilton, PA4 mi
- Guilford, PA4 mi
- Greene, PA5 mi
- Antrim, PA7 mi
- St. Thomas, PA8 mi
- Letterkenny, PA8 mi
- Southampton, PA9 mi
- Quincy, PA10 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →