EL CAJON, CA 92021 Weather Forecast & Current Conditions

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SAN DIEGO, CA
Current Weather

12:53 PM PDT AUG 18, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 61°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: WSW at 10 mph
Pressure: 29.96 inches
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EL CAJON, CA 92021
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 79 to 84 in the western valleys to 86 to 91 near the foothills. Light winds becoming west 10 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 58 to 62. Areas of winds west to 10 mph in the evening becoming light.
TUESDAY
Mostly sunny. Highs 81 to 86 in the western valleys to 87 to 92 near the foothills. Areas of winds west to 10 mph.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 59 to 64. Areas of winds west to 10 mph in the evening becoming light.
WEDNESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 82 to 87 in the western valleys to 90 to 95 near the foothills. Areas of winds west to 10 mph.
WEDNESDAY NIGHT
Mostly clear. Lows 61 to 69.
THURSDAY
Mostly sunny. Highs 84 to 89 in the western valleys to 93 to 98 near the foothills.
THURSDAY NIGHT
Mostly clear. Lows 66 to 71.
FRIDAY
Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 86 to 90 in the western valleys to 93 to 98 near the foothills.
FRIDAY NIGHT
Partly cloudy. Lows around 70.
SATURDAY
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 84 to 89 in the western valleys to 91 to 96 near the foothills.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 66 to 70.
SUNDAY
Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 84 to 88 in the western valleys to 90 to 95 near the foothills.

Visible Weather Satellite
EL CAJON, CA 92021
Infrared Weather Satellite
EL CAJON, CA 92021
NEXRAD Weather Radar
EL CAJON, CA 92021

SAN DIEGO, CA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/18/2025
Monday
18 AUG 2025
EL CAJON, CA 92021 weather forecast Day 1, 12 hours 11 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 68% 62°
High 77° EL CAJON, CA 92021 weather forecast Day 1, 15 hours 2 PM 76° 78° Clear WSW   8 62% 62°
Partly Cloudy



EL CAJON, CA 92021 weather forecast Day 1, 18 hours 5 PM 74° 74° Clear 1%

0% Thunder
( 0% severe)
WSW   7 64% 61°
EL CAJON, CA 92021 weather forecast Day 1, 21 hours 8 PM 67° 67° Partly Cloudy W   3 78% 60°
Tuesday
19 AUG 2025
EL CAJON, CA 92021 weather forecast Day 2, 0 hours 11 PM 65° 65° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   2 87% 61°
Low 64° EL CAJON, CA 92021 weather forecast Day 2, 3 hours 2 AM 65° 65° Mostly Cloudy WNW   2 87% 61°
High 80° EL CAJON, CA 92021 weather forecast Day 2, 6 hours 5 AM 64° 66° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   1 87% 60°

Mostly Cloudy



EL CAJON, CA 92021 weather forecast Day 2, 9 hours 8 AM 66° 66° Mostly Cloudy NW   2 81% 60°
EL CAJON, CA 92021 weather forecast Day 2, 12 hours 11 AM 75° 75° Partly Cloudy 2%

0% Thunder
( 0% severe)
W   6 62% 61°
EL CAJON, CA 92021 weather forecast Day 2, 15 hours 2 PM 78° 80° Partly Cloudy W   9 56% 61°
EL CAJON, CA 92021 weather forecast Day 2, 18 hours 5 PM 76° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   9 58% 60°
EL CAJON, CA 92021 weather forecast Day 2, 21 hours 8 PM 70° 70° Partly Cloudy WNW   7 73% 61°
Wednesday
20 AUG 2025
EL CAJON, CA 92021 weather forecast Day 3, 0 hours 11 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   6 81% 62°
Low 66° EL CAJON, CA 92021 weather forecast Day 3, 3 hours 2 AM 67° 67° Mostly Cloudy NW   3 84% 62°
High 80° EL CAJON, CA 92021 weather forecast Day 3, 6 hours 5 AM 66° 66° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NW   3 87% 62°

Mostly Cloudy



EL CAJON, CA 92021 weather forecast Day 3, 9 hours 8 AM 67° 67° Mostly Cloudy WNW   2 84% 62°
EL CAJON, CA 92021 weather forecast Day 3, 15 hours 11 AM 76° 78° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   6 64% 63°
EL CAJON, CA 92021 weather forecast Day 3, 18 hours 2 PM 79° 80° Partly Cloudy W   9 56% 62°
EL CAJON, CA 92021 weather forecast Day 3, 21 hours 5 PM 77° 79° Partly Cloudy     W   7 56% 60°

SAN DIEGO, CA extended weather forecast

Thursday
21 AUG 2025
Friday
22 AUG 2025
Saturday
23 AUG 2025
Sunday
24 AUG 2025
Monday
25 AUG 2025
Low 66° Low 68° Low 67° Low 66° Low 67°
High 87° High 87° High 84° High 87° High 86°
EL CAJON, CA 92021 weather forecast Day 4 EL CAJON, CA 92021 weather forecast Day 5 EL CAJON, CA 92021 weather forecast Day 6 EL CAJON, CA 92021 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
Partly Cloudy
Mostly Cloudy
5% Rain
Partly Cloudy
2% Rain
Partly Cloudy
3% Rain
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