Costa Mesa, California weather · now
Cloudy
- High / Low
- 72° / 61°
- Wind
- 21 mph SE
- Humidity
- 64%
Current weather and 7-day forecast for Costa Mesa, California, sourced directly from the National Weather Service. Expect partly sunny today. Today's high is 72° with a low near 61°.
What to wear today
Long sleeves or short — your call
Sweet spot at 72°F. Most people will be comfortable in either.
Next 24 hours
-
7 AM
63°
0%
-
9 AM
66°
0%
-
11 AM
69°
0%
-
1 PM
71°
0%
-
3 PM
72°
0%
-
5 PM
70°
0%
-
7 PM
67°
0%
-
9 PM
62°
0%
-
11 PM
61°
2%
-
1 AM
61°
2%
-
3 AM
61°
2%
-
5 AM
61°
0%
Live radar
View full radar →Live cameras nearby
See what it actually looks like out there.
Feeds from public state DOT systems. Images may briefly stale, rotate, or go offline during maintenance.
7 days
-
Today 6/27
Partly Sunny 2% 72° · 61° - 7 AM 63° Mostly Cloudy
- 8 AM 65° Mostly Cloudy
- 9 AM 66° Mostly Cloudy
- 10 AM 68° Mostly Cloudy
- 11 AM 69° Mostly Sunny
- 12 PM 70° Mostly Sunny
- 1 PM 71° Mostly Sunny
- 2 PM 71° Sunny
- 3 PM 72° Sunny
- 4 PM 71° Sunny
- 5 PM 70° Mostly Sunny
- 6 PM 69° Partly Cloudy
- 7 PM 67° Partly Cloudy
- 8 PM 64° Partly Cloudy
- 9 PM 62° Partly Cloudy
- 10 PM 62° Partly Cloudy
- 11 PM 61° Mostly Cloudy 2%
- 7 AM
-
Sun 6/28
Partly Sunny 0% 71° · 60° - 12 AM 61° Mostly Cloudy 2%
- 1 AM 61° Mostly Cloudy 2%
- 2 AM 61° Mostly Cloudy 2%
- 3 AM 61° Mostly Cloudy 2%
- 4 AM 61° Mostly Cloudy 2%
- 5 AM 61° Mostly Cloudy
- 6 AM 61° Mostly Cloudy
- 7 AM 61° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 64° Mostly Cloudy
- 10 AM 66° Mostly Cloudy
- 11 AM 67° Partly Sunny
- 12 PM 69° Partly Sunny
- 1 PM 70° Partly Sunny
- 2 PM 70° Mostly Sunny
- 3 PM 71° Mostly Sunny
- 4 PM 70° Mostly Sunny
- 5 PM 69° Mostly Sunny
- 6 PM 68° Partly Cloudy
- 7 PM 67° Partly Cloudy
- 8 PM 63° Partly Cloudy
- 9 PM 65° Partly Cloudy
- 10 PM 64° Partly Cloudy
- 11 PM 61° Mostly Cloudy
- 12 AM
-
Mon 6/29
Mostly Sunny 0% 71° · 60° - 12 AM 64° Mostly Cloudy
- 1 AM 63° Mostly Cloudy
- 2 AM 60° Mostly Cloudy
- 3 AM 63° Mostly Cloudy
- 4 AM 63° Mostly Cloudy
- 5 AM 61° Mostly Cloudy
- 6 AM 60° Mostly Cloudy
- 7 AM 61° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 65° Mostly Cloudy
- 10 AM 66° Mostly Cloudy
- 11 AM 68° Mostly Sunny
- 12 PM 69° Mostly Sunny
- 1 PM 70° Mostly Sunny
- 2 PM 71° Mostly Sunny
- 3 PM 70° Mostly Sunny
- 4 PM 70° Mostly Sunny
- 5 PM 69° Sunny
- 6 PM
67° Mostly Clear - 7 PM 65° Mostly Clear
- 8 PM 63° Mostly Clear
- 9 PM 62° Mostly Clear
- 10 PM 61° Mostly Clear
- 11 PM 61° Mostly Cloudy
- 12 AM
-
Tue 6/30
Mostly Sunny 1% 71° · 59° - 12 AM 61° Mostly Cloudy
- 1 AM 60° Mostly Cloudy
- 2 AM 60° Mostly Cloudy
- 3 AM 60° Mostly Cloudy
- 4 AM 60° Mostly Cloudy
- 5 AM 60° Mostly Cloudy
- 6 AM 61° Mostly Cloudy
- 7 AM 62° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 64° Mostly Cloudy
- 10 AM 66° Mostly Cloudy
- 11 AM 68° Partly Sunny
- 12 PM 69° Partly Sunny
- 1 PM 70° Partly Sunny
- 2 PM 70° Partly Sunny
- 3 PM 70° Partly Sunny
- 4 PM 70° Partly Sunny
- 5 PM 69° Sunny
- 6 PM 66° Mostly Clear
- 7 PM 65° Mostly Clear
- 8 PM 63° Mostly Clear
- 9 PM 62° Mostly Clear
- 10 PM 61° Mostly Clear
- 11 PM 61° Partly Cloudy 1%
- 12 AM
-
Wed 7/1
Mostly Sunny 0% 70° · 59° - 12 AM 61° Partly Cloudy 1%
- 1 AM 61° Partly Cloudy 1%
- 2 AM 61° Partly Cloudy 1%
- 3 AM 60° Partly Cloudy 1%
- 4 AM 60° Partly Cloudy 1%
- 5 AM 60° Mostly Cloudy
- 6 AM 61° Mostly Cloudy
- 7 AM 62° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 64° Mostly Cloudy
- 10 AM 65° Mostly Cloudy
- 11 AM 67° Partly Sunny
- 12 PM 68° Partly Sunny
- 1 PM 69° Partly Sunny
- 2 PM 69° Partly Sunny
- 3 PM 70° Partly Sunny
- 4 PM 69° Partly Sunny
- 5 PM 68° Sunny
- 6 PM 67° Mostly Clear
- 7 PM 65° Mostly Clear
- 8 PM 63° Mostly Clear
- 9 PM 62° Mostly Clear
- 10 PM 61° Mostly Clear
- 11 PM 61° Partly Cloudy
- 12 AM
-
Thu 7/2
Mostly Sunny 0% 71° · 60° - 12 AM 60° Partly Cloudy
- 1 AM 60° Partly Cloudy
- 2 AM 60° Partly Cloudy
- 3 AM 60° Partly Cloudy
- 4 AM 59° Partly Cloudy
- 5 AM 59° Mostly Cloudy
- 6 AM 60° Mostly Cloudy
- 7 AM 61° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 64° Mostly Cloudy
- 10 AM 66° Mostly Cloudy
- 11 AM 68° Mostly Sunny
- 12 PM 69° Mostly Sunny
- 1 PM 70° Mostly Sunny
- 2 PM 70° Mostly Sunny
- 3 PM 70° Mostly Sunny
- 4 PM 70° Mostly Sunny
- 5 PM 69° Sunny
- 6 PM 68° Mostly Clear
- 7 PM 66° Mostly Clear
- 8 PM 64° Mostly Clear
- 9 PM 63° Mostly Clear
- 10 PM 62° Mostly Clear
- 11 PM 62° Partly Cloudy
- 12 AM
-
Fri 7/3
Mostly Sunny 0% 72° · 61° - 12 AM 62° Partly Cloudy
- 1 AM 61° Partly Cloudy
- 2 AM 61° Partly Cloudy
- 3 AM 61° Partly Cloudy
- 4 AM 61° Partly Cloudy
- 5 AM 61° Mostly Cloudy
- 6 AM 61° Mostly Cloudy
- 7 AM 62° Mostly Cloudy
- 8 AM 63° Mostly Cloudy
- 9 AM 65° Mostly Cloudy
- 10 AM 68° Mostly Cloudy
- 11 AM 70° Mostly Sunny
- 12 PM 71° Mostly Sunny
- 1 PM 72° Mostly Sunny
- 2 PM 72° Mostly Sunny
- 3 PM 72° Mostly Sunny
- 4 PM 71° Mostly Sunny
- 5 PM 70° Sunny
- 6 PM 69° Mostly Clear
- 12 AM
Extended outlook days 8–16
- Sat 7/4 Sunny 0% 78° · 66°
- Sun 7/5 Sunny 1% 82° · 66°
- Mon 7/6 Sunny 1% 81° · 68°
- Tue 7/7 Sunny 2% 84° · 68°
- Wed 7/8 Sunny 0% 85° · 70°
- Thu 7/9 Sunny 3% 83° · 71°
- Fri 7/10 Sunny 6% 77° · 68°
- Sat 7/11 Mostly Sunny 6% 77° · 68°
- Sun 7/12
Cloudy 6% 78° · 67°
Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.
Best day this week
Quiet week — most days look comparable.
Sunday, 6/28
Partly Sunny, 71° / 60°
- Tomorrow71°60°
- Mon71°60°
- Tue71°59°
- Wed70°59°
- Thu71°60°
- Fri72°61°
Best time to head outside
Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.
- Run7 AM
comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Bike7 AM
comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Golf7 AM
comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Picnic10 AM
comfortable at 68°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Magic ShowAnytime
Any weather is magic show weather. Indoors or out, magic doesn't care.
Corporate Magician Scott Henderson
How well did we do?
Average miss by lead time.
Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.
Day-by-day, 1 day out
- Wed, Jun 24pendingHigh74°——Low62°——
- Sun, Jun 21pendingHigh71°——Low60°——
- Sat, Jun 20pendingHigh71°——Low59°——
Climate normals
What weather to expect in Costa Mesa
Costa Mesa in June typically averages 72° highs and 61° lows, with about 2 days of rain. The hottest stretch is August (average high 77°); the coldest is January (average low 50°). April is the wettest month on average.
| Month | Avg high | Avg low | Rainy days |
|---|---|---|---|
| Jan | 66° | 50° | 6 |
| Feb | 65° | 51° | 6 |
| Mar | 67° | 53° | 8 |
| Apr | 66° | 55° | 9 |
| May | 68° | 58° | 7 |
| Jun | 72° | 61° | 2 |
| Jul | 74° | 63° | 0 |
| Aug | 77° | 64° | 1 |
| Sep | 76° | 63° | 5 |
| Oct | 72° | 58° | 4 |
| Nov | 67° | 53° | 6 |
| Dec | 65° | 51° | 3 |
Normals derived from the past two years of observations via Open-Meteo's historical archive.
More for Costa Mesa
Other cities in California
Detailed forecast (NWS)
- Today
- Partly sunny, with a high near 72. South wind 5 to 10 mph.
- Sunday
- Partly sunny, with a high near 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
- Monday
- Mostly sunny, with a high near 71. South wind 5 to 10 mph.
- Tuesday
- Mostly sunny, with a high near 71.