Caernarvon, PA Weather Forecast
Lancaster County, Pennsylvania
Live radar, warnings and storm tracking for Caernarvon, 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 Caernarvon
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Caernarvon, PA at a glance
Caernarvon is home to about 4,586 people in Lancaster County, across 23 square miles. It ranks 579th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is East Earl, 4 miles away.
- County
- Lancaster County
- Population
- 4,586 2023 est.
- Land area
- 23 sq mi
- People per sq mi
- 200
- Forecast point
- 40.1393°N, 75.9532°W
How well can the network see Caernarvon?
The nearest Doppler radar is KDIX (Philadelphia, PA), to the E. Its lowest scan passes about 7,200 ft above Caernarvon. The beam is above the lowest few thousand feet here, so a warning for Caernarvon can come before anything looks dramatic on radar.
The closest weather station is KMQS (Coatesville/Chester Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Caernarvon
- East Earl, PA4 mi
- Brecknock, PA6 mi
- Salisbury, PA7 mi
- New Holland, PA8 mi
- Robeson, PA8 mi
- Earl, PA8 mi
- West Caln, PA9 mi
- Cumru, PA9 mi
Elsewhere in Pennsylvania
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