Columbia, PA Weather Forecast
Lancaster County, Pennsylvania
Live radar, warnings and storm tracking for Columbia, 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 42°, 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 west-southwest around 11 AM. The first rain arrives between 9 AM and 10 AM, with the best chance of it around noon. That leaves a usable window outdoors until about 9 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
The wet part of the window runs from about 9 AM to 6 AM, 9 hours of it, with the highest chance near noon. Total accumulation over the window comes to about 0.25 in.
It tapers off after 6 AM. The overnight low settles near 50°. Tomorrow tops out near 56°. 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
32–60°F across the weekThe week runs between 33° and 56°, 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 98%. 5 of the 7 days stay dry.
Free alerts for Columbia
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Columbia, PA at a glance
Columbia is home to about 10,380 people in Lancaster County, across 2.4 square miles. It ranks 233rd by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is West Hempfield, 2 miles away.
- County
- Lancaster County
- Population
- 10,380 2023 est.
- Land area
- 2.4 sq mi
- People per sq mi
- 4,300
- Forecast point
- 40.0349°N, 76.4959°W
How well can the network see Columbia?
The nearest Doppler radar is KLWX (Sterling, VA), to the SW. Its lowest scan passes about 8,200 ft above Columbia. At that range the beam overshoots the base of a storm. If a warning for Columbia looks unsupported on radar, trust the warning.
The closest weather station is KLNS (Lancaster Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Columbia
- West Hempfield, PA2 mi
- Mountville, PA3 mi
- Marietta, PA3 mi
- East Donegal, PA5 mi
- Mount Joy, PA5 mi
- Hellam, PA5 mi
- Lower Windsor, PA5 mi
- Manor, PA5 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

