Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Pollen levels may spike this year due to the weather. Read AccuWeather's allergy forecast for the U.S. Chevron right
Rounds of severe weather to ramp up later this week. Get the details. Chevron right

Costa Mesa, CA

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Costa Mesa

California

56°
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 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, March 4

Current Weather

5:06 AM

56°F
Mostly cloudy
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel®
59°
Wind
0 mph
Wind Gusts
2 mph
Humidity
86%
Indoor Humidity
56% (Ideal Humidity)
Dew Point
52° F
Pressure
↔ 29.99 in
Cloud Cover
90%
Visibility
10 mi
Cloud Ceiling
20000 ft

Day

3/4
64°Hi
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Areas of low clouds and fog giving way to sun

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™6 (Medium)

WindSSW 7 mph

Wind Gusts16 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover53%

Morning

Afternoon

Night

3/4
55°Lo
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSE 5 mph

Wind Gusts7 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover45%

Evening

Overnight

Sun & Moon

11 hrs 34 mins
Rise 6:17 AM
Set 5:51 PM
Waning Gibbous
Rise 7:24 PM
Set 7:15 AM

Temperature History

3/4
High
Low
Forecast
64°
55°
Average
64°
52°
Last Year
62°
51°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms to rumble in central US into this weekend

2 hours ago

Weather Forecasts

2026 Allergy Forecast: When will pollen be bad across the US?

57 minutes ago

Weather Forecasts

Temperatures to surge to May-like levels in eastern US

2 hours ago

Severe Weather

Flood risk to accompany rounds of severe weather in central US

2 hours ago

Winter Weather

1966 blizzard provided 'North Dakota's most famous photo'

1 day ago

 More Stories

Featured Stories

Recreation

Yellowstone geyser erupts for 1st time since 2020

18 hours ago

Recreation

Helicopter rescue saves missing hiker with frostbite in Adirondacks

18 hours ago

Winter Weather

The fences that saved Wyoming big money and cut crashes by 70%

1 day ago

Travel

2 rescued after hot air balloon crashes, dangles from Texas cell tower

20 hours ago

Travel

United Airlines flight makes emergency landing over possible engine fi...

20 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

...

...

...