Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
After a snow-starved winter, Denver is facing a late-season snowstorm. See the timing. Chevron right
Thunderstorms to rattle central, eastern US this week. Get the forecast. Chevron right

Costa Mesa, CA

67°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Costa Mesa

California

67°
No results found.
Try searching for a city, zip code or point of interest.
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
Costa Mesa, 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

Today's Weather

Mon, May 4

Intervals of clouds and sunshine with a brief shower or two this afternoon Hi: 68°

Tonight: Partly cloudy with a passing shower or two Lo: 55°

Current Weather

3:28 PM

67°F
RealFeel® 64°
Mostly cloudy More Details
RealFeel Shade™ 62°
Wind SW 13 mph
Wind Gusts 27 mph
Air Quality Fair

Costa Mesa Weather Radar

Costa Mesa Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

4 PM 66°
rain drop 58%
5 PM 65°
rain drop 54%
6 PM 64°
rain drop 49%
7 PM 62°
rain drop 45%
8 PM 61°
rain drop 43%
9 PM 60°
rain drop 47%
10 PM 59°
rain drop 51%
11 PM 59°
rain drop 51%
12 AM 58°
rain drop 47%
1 AM 57°
rain drop 45%
2 AM 57°
rain drop 49%
3 AM 56°
rain drop 56%

10-Day Weather Forecast

Today

5/4

68° 55°

An afternoon shower or two

Night: A passing shower or two
65%

Tue

5/5

68° 56°

Clouds and sun with a shower

Areas of low clouds
55%

Wed

5/6

70° 57°

Areas of low clouds, then sun

Clear to partly cloudy
2%

Thu

5/7

70° 58°

Mostly sunny and pleasant

Partly cloudy
0%

Fri

5/8

73° 61°

Areas of low clouds, then sun

Mostly cloudy
1%

Sat

5/9

74° 62°

Pleasant with clouds and sun

Partly cloudy
2%

Sun

5/10

73° 61°

Pleasant with clouds and sun

Turning cloudy
2%

Mon

5/11

71° 60°

Partly sunny

Mainly clear
0%

Tue

5/12

70° 59°

Mostly sunny

Partly cloudy
0%

Wed

5/13

71° 62°

Partly sunny

Partly cloudy
1%

Sun & Moon

13 hrs 37 mins
Rise 6:00 AM
Set 7:37 PM
Waning Gibbous
Rise 10:54 PM
Set 8:25 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Moderate Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Low Data is not supported in this location

Top Stories

Winter Weather

Late-season snowstorm to snarl travel in Denver, Rockies

2 hours ago

Severe Weather

Severe storms to rattle central, eastern US in first full week of May

2 hours ago

Weather News

Lightning may have sparked fire that destroyed Florida marine lab

1 hour ago

Astronomy

Halley's comet fuels Eta Aquarids lighting up the sky this week

5 hours ago

Weather Forecasts

Turbulent temperatures, more freezes ahead for Midwest, Northeast

3 hours ago

 More Stories

Featured Stories

Health

Melanoma survivor’s story underscores importance of early checks

7 hours ago

Weather News

Massive sea lion 'Chonkers' drawing crowds in San Francisco

7 hours ago

Weather News

Residents flee ash after Mayon Volcano erupts in the Philippines

7 hours ago

Weather News

Travel plans upended as Spirit Airlines shuts down

8 hours ago

Health

3 dead, 3 ill in suspected hantavirus outbreak on cruise ship

6 hours ago
World North America United States California Costa Mesa

Weather Near Costa Mesa:

  • 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 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

...

...

...