El Cajon, CA Weather Forecast
San Diego County, California
Live radar, warnings and storm tracking for El Cajon, 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 El Cajon
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
El Cajon, CA at a glance
El Cajon is home to about 102,991 people in San Diego County, across 15 square miles. It ranks 68th by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is Santee, 4 miles away.
- County
- San Diego County
- Population
- 102,991 2023 est.
- Land area
- 15 sq mi
- People per sq mi
- 7,098
- Forecast point
- 32.8017°N, 116.9605°W
How well can the network see El Cajon?
The nearest Doppler radar is KNKX (San Diego, CA), to the NNW. Its lowest scan passes about 480 ft above El Cajon. That is about as close as US radar coverage gets: low-level rotation and gust fronts over El Cajon show up clearly. El Cajon is closer to its radar than 96% of US cities.
The closest weather station is KSEE (San Diego/Gillespie Fld). Close enough that its readings are the conditions in town.
Forecasts near El Cajon
- Santee, CA4 mi
- La Mesa, CA4 mi
- Lemon Grove, CA6 mi
- San Diego, CA10 mi
- National City, CA12 mi
- Chula Vista, CA12 mi
- Poway, CA13 mi
- Coronado, CA15 mi
Elsewhere in California
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