El Cajon, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for El Cajon, CA in one place.
Sunny, with a high near 88. Northeast wind around 0 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: Oct 15, 2026 9:18 AM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for El Cajon, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 9:18 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in El Cajon
Friday looks like the warmest upcoming period in El Cajon at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 5 to 30 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 9:18 AM PDT
- Coverage
- 8 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. Northeast wind 0 to 5 mph.
Sunny, with a high near 89. Northeast wind 5 to 30 mph, with gusts as high as 50 mph.
Mostly clear, with a low around 70. East wind 15 to 20 mph, with gusts as high as 35 mph.
Mostly sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 63.
Sunny, with a high near 87.
Mostly clear, with a low around 63.
Sunny, with a high near 82.
Mostly clear, with a low around 61.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 75.
A chance of rain showers. Mostly cloudy, with a low around 58.
A chance of rain showers. Partly sunny, with a high near 72.
A chance of rain showers. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Sunny
|
88°F |
0 mph
|
|
Tonight
Oct 15
|
Mostly Clear
|
66°F |
0 to 5 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
89°F |
5 to 30 mph
NE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
70°F |
15 to 20 mph
E
|
|
Saturday
Oct 17
|
Mostly Sunny
|
86°F |
10 to 15 mph
E
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
63°F |
5 to 15 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
87°F |
0 to 10 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
63°F |
0 to 10 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
82°F |
0 to 10 mph
W
|
|
Monday Night
Oct 19
|
Mostly Clear
|
61°F |
0 to 5 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny then Slight Chance Rain Showers
|
75°F |
5 to 10 mph
SW
|
|
Tuesday Night
Oct 20
|
Chance Rain Showers
|
58°F |
5 to 15 mph
SW
|
|
Wednesday
Oct 21
|
Chance Rain Showers
|
72°F |
5 to 10 mph
SW
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
57°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around El Cajon.
