Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Hurricane Erick to rapidly strengthen to Cat 3 before Mexico landfall Chevron right
Heat wave to push temps near 100 F across central, eastern US Chevron right

Fountain Valley, CA

78°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Fountain Valley

California

78°
No results found.
Try searching for a city, zip code or point of interest.
settings
Fountain Valley, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

2 PM

78°
RealFeel® 85°
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
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™75°

WindSW 8 mph

Air QualityPoor

Max UV Index11 (Extreme)

Wind Gusts14 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

79°
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
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™76°

WindSW 9 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

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

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™75°

WindSW 9 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

76°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™73°

WindSW 9 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts17 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™72°

WindSW 8 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts14 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™69°

WindSSW 8 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts12 mph

Humidity66%

Indoor Humidity66% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™68°

WindSSW 7 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts14 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSW 7 mph

Air QualityPoor

Wind Gusts14 mph

Humidity78%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSW 6 mph

Air QualityPoor

Wind Gusts13 mph

Humidity87%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindS 6 mph

Air QualityPoor

Wind Gusts12 mph

Humidity85%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Friday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms include tornado risk in central, eastern US

42 minutes ago

Weather News

Deadly West Virginia flooding won't be the last of this week

6 hours ago

Weather Forecasts

Heat wave to push temps near 100 F across central, eastern US

1 hour ago

Weather News

Indonesia volcano spews ash more than 6 miles into sky

8 hours ago

Severe Weather

Jaw-dropping tornado, lightning strike leaves storm chaser speechless

1 day ago

 More Stories

Featured Stories

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

3 hours ago

Astronomy

Summer solstice: Everything to know about the year's longest day

3 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

2 days ago

Weather News

5 times the American flag survived extreme weather

2 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

5 hours ago
World North America United States California Fountain Valley

Weather Near Fountain Valley:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...