New York, NY 17° Los Angeles, CA 31° Chicago, IL 17° Houston, TX 29° Miami, FL 29° Phoenix, AZ 32° Seattle, WA 22° Denver, CO 13° Toronto, ON 11° Vancouver, BC 14°
WeatherLive › California › Costa Mesa

Costa Mesa, CA Weather (92628)

ZIP codes: 92628 · 92627 · 92626
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCosta Mesa · 5:14 PM PDT
30° | 22°
30°C
Feels like 27°
Sunny
WindW 4 mph · Gusts 8 mph
Precip0% · –
Humidity19% · Dew point 4°
UV index6 High
Air Quality58 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:56 AM · 6:18 PM · 11h 22m

Weather map — Costa Mesa

Full radar →
Now
30°
0%
2 mph
18:00
30°
0%
6 mph
19:00
29°
0%
6 mph
20:00
28°
0%
4 mph
21:00
27°
0%
4 mph
22:00
26°
1%
5 mph
23:00
26°
1%
3 mph
00:00
26°
1%
3 mph
01:00
28°
0%
15 mph
02:00
28°
0%
22 mph
03:00
28°
0%
26 mph
04:00
27°
0%
19 mph
05:00
26°
0%
17 mph
06:00
26°
0%
14 mph
07:00
25°
0%
13 mph
08:00
26°
0%
13 mph
09:00
27°
0%
15 mph
10:00
29°
0%
16 mph
11:00
31°
0%
15 mph
12:00
32°
4%
16 mph
13:00
33°
6%
19 mph
14:00
33°
2%
19 mph
15:00
33°
2%
17 mph
16:00
33°
1%
17 mph

Today · Thu 10/15

High 30°
0% / –

Sunny. Winds W at 9 mph.

Tonight · Thu 10/15

Low 25°
0% / –

Sunny. Winds W at 4 mph.

Tomorrow · Fri 10/16

33° | 25°
1% / –

Sunny. Winds NE at 26 mph.

7-day trend

Costa Mesa · temperature + precipitation

10-day forecast

Updated 5:14 PM

Details & indices

Wind
4 mph W
Gusts 8 mph
Humidity
19%
Dew point 4°
Pressure
29.91 inHg
Rising
UV index
6 — High
High today
Air Quality
Moderate
AQI 58 · US EPA
Allergy
Moderate
Ragweed
Visibility
6 mi
Clear view
Allergy — Costa Mesa

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
Moderate

Sun & moon

Sunrise6:56 AM
Sunset6:18 PM
Length of day11h 22m
Moonrise11:57 AM
Moonset9:30 PM
Moon phase🌒 Waxing Crescent · 26%
Next full moonOct 25 Hunter's Moon
Latitude33.6411°N
Longitude-117.9187°E

Water temps nearby

View all →
Newport Beach (2 mi)72°
Huntington Beach (5 mi)72°
Laguna Beach (11 mi)73°
Venice Beach (40 mi)71°
Santa Monica Beach (42 mi)72°
Zuma Beach, Malibu (58 mi)72°

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in California
Los Angeles
Sunny
31°
San Diego
Sunny
28°
San Jose
Sunny
30°
San Francisco
Sunny
24°
Fresno
Sunny
29°
Sacramento
Sunny
31°
NBM + global weather models
Updated: 5:14 PM
Costa Mesa, CA · Elev 98 ft · 33.64°N, 117.92°W · California · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:14 PM