El Cajon, CA Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for El Cajon, CA in one place.
Patchy fog before 11am. Sunny, with a high near 83. Southeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for El Cajon, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 2:51 AM PDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for El Cajon, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 2:51 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in El Cajon
Saturday looks like the warmest upcoming period in El Cajon at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph SE.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 2:51 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KNKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 66. North wind 0 to 5 mph.
Sunny, with a high near 85.
Mostly clear, with a low around 67.
Sunny, with a high near 87.
Mostly clear, with a low around 68.
Sunny, with a high near 88.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 65.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Patchy Fog then Sunny
|
83°F |
0 to 10 mph
SE
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
66°F |
0 to 5 mph
N
|
|
Thursday
Sep 24
|
Sunny
|
85°F |
0 to 10 mph
NW
|
|
Thursday Night
Sep 24
|
Mostly Clear
|
67°F |
0 to 5 mph
NW
|
|
Friday
Sep 25
|
Sunny
|
87°F |
0 to 10 mph
NW
|
|
Friday Night
Sep 25
|
Mostly Clear
|
68°F |
0 to 5 mph
N
|
|
Saturday
Sep 26
|
Sunny
|
88°F |
0 to 10 mph
NW
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
67°F |
0 to 5 mph
NW
|
|
Sunday
Sep 27
|
Mostly Sunny
|
84°F |
0 to 10 mph
NW
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
65°F |
0 to 5 mph
NW
|
|
Monday
Sep 28
|
Sunny
|
83°F |
0 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around El Cajon.