El Cajon, California Weather Forecast
Today in El Cajon: partly cloudy with a high near 71°F and a low around 56°F. Rain chance 20%. No day tops a 20% rain chance through Thursday. Warming trend: highs climb from 71°F today to 83°F by Monday.
Forecast updated 7:05 PM PDT, Oct 23
Active Weather Alerts
7-Day Forecast for El Cajon
Today 10/23
20%
71°56°
Sat 10/24
77°55°
Sun 10/25
82°56°
Mon 10/26
83°58°
Tue 10/27
81°57°
Wed 10/28
80°57°
Thu 10/29
76°58°
Next 24 Hours
| Now | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  |  | | | | | | | | | | | | | | | | | | | | | | |
| Temp | 60° | 59° | 58° | 57° | 57° | 57° | 56° | 56° | 55° | 57° | 62° | 67° | 72° | 75° | 76° | 77° | 77° | 76° | 74° | 71° | 68° | 65° | 64° | 62° |
| Rain | 5% | 3% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% |
| Wind | NE 3 | E 3 | ESE 3 | ESE 3 | E 3 | E 3 | E 3 | E 3 | E 3 | E 4 | E 2 | WNW 1 | WNW 2 | WNW 4 | WNW 5 | W 7 | W 7 | W 7 | W 7 | WNW 5 | NW 3 | NNW 2 | N 3 | NNE 3 |
Growing Conditions
Growing degree days
4,313
since Apr 1, base 50°F
Rain, last 30 days
1.72 in
model analysis
Rain, year to date
8.62 in
since Jan 1
2-inch soil temperature
70°F
yesterday, daily average
Reference ET, last 7 days
1.14 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for El Cajon →
Current Stats & Observations
NWS Forecast
About El Cajon Weather
El Cajon sits at about 433 feet above sea level in San Diego County, California. About 102,708 people live in the El Cajon area. Official forecasts and warnings for the area come from the National Weather Service SGX office, and the nearest NEXRAD radar site is KNKX. The city is in USDA plant hardiness zone 10a, where the coldest winter night typically falls between 30 to 35°F. Freezing temperatures are rare here.
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