Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Next tropical storm may form in Gulf this week. Click for details. Chevron right
1st frost of fall is coming for the Northeast, Midwest. Click for the temp forecast. Chevron right

El Cajon, CA

86°F
Location Chevron down
Location News Videos
Use Current Location
Recent

El Cajon

California

86°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
El Cajon, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

10 AM

92°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™90°

Heat Index90°

WindE 5 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts6 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33300 ft

11 AM

98°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™96°

Heat Index96°

WindWNW 6 mph

Air QualityPoor

Max UV Index4.0 (Moderate)

Wind Gusts6 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

103°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™101°

Heat Index101°

WindWNW 7 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts8 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

105°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™102°

Heat Index103°

WindWNW 8 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts14 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

107°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™104°

Heat Index105°

WindWNW 9 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts18 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

105°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™102°

Heat Index103°

WindWNW 10 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts20 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

103°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™100°

Heat Index101°

WindWNW 10 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts20 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

99°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™96°

Heat Index97°

WindNW 9 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts20 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

96°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™94°

Heat Index94°

WindNW 8 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts15 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

92°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index91°

WindNNW 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity29%

Indoor Humidity29% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

89°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index88°

WindNE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity32%

Indoor Humidity32% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index85°

WindENE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index82°

WindE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index80°

WindE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for El Cajon

AccuWeather's hourly forecast for El Cajon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 92° with a RealFeel® of 94°, sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Wednesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Gulf tropical trouble could unleash significant flooding in Southeast

17 minutes ago

Hurricane

Hurricane Nolo crosses International Date Line, becomes Typhoon Nolo

1 hour ago

Weather Forecasts

Coldest air of season to bring freeze risk to Northeast, Great Lakes

2 hours ago

Weather News

The hidden costs behind your higher electric bill

1 hour ago

Weather Forecasts

Summerlike heat grips L.A., San Diego: When will it end?

1 hour ago

More Stories

Featured Stories

Climate

How El Niño will drive up the cost of foods you love

3 days ago

Astronomy

Happy New Year, Mars! Red Planet begins its 39th year

3 days ago

Weather News

New statue unveiled to honor Jackie, Big Bear’s beloved bald eagle

4 days ago

Severe Weather

500 tornadoes: A storm-chasing milestone 30 years in the making

3 days ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

4 days ago

World North America United States California El Cajon

Weather Near El Cajon:

  • Chula Vista, CA
  • Oceanside, CA
  • San Diego, CA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...