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Costa Mesa, California weather · now

66°

Cloudy

High / Low: 72° / 61°
Wind: 17 mph ESE
Humidity: 64%

No precipitation expected in the next 1.7 hours.

GoodAir quality PollenTreeLowGrassHighWeedNone

Sun 5:43 AM 8:05 PM 14h 22m

Moon Waxing Gibbous 94% lit

Current weather and 7-day forecast for Costa Mesa, California, sourced directly from the National Weather Service. Expect mostly 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

8 AM

65°

0%
10 AM

68°

0%
12 PM

70°

0%
2 PM

71°

0%
4 PM

71°

0%
6 PM

69°

0%
8 PM

64°

0%
10 PM

62°

0%
12 AM

61°

2%
2 AM

61°

2%
4 AM

61°

2%
6 AM

61°

0%

Live radar

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Live cameras nearby

See what it actually looks like out there.

LIVE · 5m
SR-55 : (238) Wilson Street1.4 miCaltrans
LIVE · 5m
SR-55 : (11) Del Mar Avenue2.0 miCaltrans
LIVE · 5m
SR-55 : (239) Del Mar Avenue Exit2.5 miCaltrans
LIVE · 5m
SR-55 : (240) SR-732.8 miCaltrans

Feeds from public state DOT systems. Images may briefly stale, rotate, or go offline during maintenance.

7 days

Today 6/27 Mostly Sunny 2% 72° · 61°
1. 8 AM 65° Mostly Cloudy
2. 9 AM 66° Mostly Cloudy
3. 10 AM 68° Mostly Cloudy
4. 11 AM 69° Mostly Sunny
5. 12 PM 70° Mostly Sunny
6. 1 PM 71° Mostly Sunny
7. 2 PM 71° Sunny
8. 3 PM 72° Sunny
9. 4 PM 71° Sunny
10. 5 PM 70° Mostly Sunny
11. 6 PM 69° Partly Cloudy
12. 7 PM 67° Partly Cloudy
13. 8 PM 64° Partly Cloudy
14. 9 PM 62° Partly Cloudy
15. 10 PM 62° Partly Cloudy
16. 11 PM 61° Mostly Cloudy 2%
Sun 6/28 Partly Sunny 0% 71° · 60°
1. 12 AM 61° Mostly Cloudy 2%
2. 1 AM 61° Mostly Cloudy 2%
3. 2 AM 61° Mostly Cloudy 2%
4. 3 AM 61° Mostly Cloudy 2%
5. 4 AM 61° Mostly Cloudy 2%
6. 5 AM 61° Mostly Cloudy
7. 6 AM 61° Mostly Cloudy
8. 7 AM 61° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 64° Mostly Cloudy
11. 10 AM 66° Mostly Cloudy
12. 11 AM 67° Partly Sunny
13. 12 PM 69° Partly Sunny
14. 1 PM 70° Partly Sunny
15. 2 PM 70° Mostly Sunny
16. 3 PM 71° Mostly Sunny
17. 4 PM 70° Mostly Sunny
18. 5 PM 69° Mostly Sunny
19. 6 PM 68° Partly Cloudy
20. 7 PM 67° Partly Cloudy
21. 8 PM 63° Partly Cloudy
22. 9 PM 65° Partly Cloudy
23. 10 PM 64° Partly Cloudy
24. 11 PM 61° Mostly Cloudy
Mon 6/29 Mostly Sunny 0% 71° · 60°
1. 12 AM 64° Mostly Cloudy
2. 1 AM 63° Mostly Cloudy
3. 2 AM 60° Mostly Cloudy
4. 3 AM 63° Mostly Cloudy
5. 4 AM 63° Mostly Cloudy
6. 5 AM 61° Mostly Cloudy
7. 6 AM 60° Mostly Cloudy
8. 7 AM 61° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 65° Mostly Cloudy
11. 10 AM 66° Mostly Cloudy
12. 11 AM 68° Mostly Sunny
13. 12 PM 69° Mostly Sunny
14. 1 PM 70° Mostly Sunny
15. 2 PM 71° Mostly Sunny
16. 3 PM 70° Mostly Sunny
17. 4 PM 70° Mostly Sunny
18. 5 PM 69° Sunny
19. 6 PM 67° Mostly Clear
20. 7 PM 65° Mostly Clear
21. 8 PM 63° Mostly Clear
22. 9 PM 62° Mostly Clear
23. 10 PM 61° Mostly Clear
24. 11 PM 61° Mostly Cloudy
Tue 6/30 Mostly Sunny 1% 71° · 59°
1. 12 AM 61° Mostly Cloudy
2. 1 AM 60° Mostly Cloudy
3. 2 AM 60° Mostly Cloudy
4. 3 AM 60° Mostly Cloudy
5. 4 AM 60° Mostly Cloudy
6. 5 AM 60° Mostly Cloudy
7. 6 AM 61° Mostly Cloudy
8. 7 AM 62° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 64° Mostly Cloudy
11. 10 AM 66° Mostly Cloudy
12. 11 AM 68° Partly Sunny
13. 12 PM 69° Partly Sunny
14. 1 PM 70° Partly Sunny
15. 2 PM 70° Partly Sunny
16. 3 PM 70° Partly Sunny
17. 4 PM 70° Partly Sunny
18. 5 PM 69° Sunny
19. 6 PM 66° Mostly Clear
20. 7 PM 65° Mostly Clear
21. 8 PM 63° Mostly Clear
22. 9 PM 62° Mostly Clear
23. 10 PM 61° Mostly Clear
24. 11 PM 61° Partly Cloudy 1%
Wed 7/1 Mostly Sunny 0% 70° · 59°
1. 12 AM 61° Partly Cloudy 1%
2. 1 AM 61° Partly Cloudy 1%
3. 2 AM 61° Partly Cloudy 1%
4. 3 AM 60° Partly Cloudy 1%
5. 4 AM 60° Partly Cloudy 1%
6. 5 AM 60° Mostly Cloudy
7. 6 AM 61° Mostly Cloudy
8. 7 AM 62° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 64° Mostly Cloudy
11. 10 AM 65° Mostly Cloudy
12. 11 AM 67° Partly Sunny
13. 12 PM 68° Partly Sunny
14. 1 PM 69° Partly Sunny
15. 2 PM 69° Partly Sunny
16. 3 PM 70° Partly Sunny
17. 4 PM 69° Partly Sunny
18. 5 PM 68° Sunny
19. 6 PM 67° Mostly Clear
20. 7 PM 65° Mostly Clear
21. 8 PM 63° Mostly Clear
22. 9 PM 62° Mostly Clear
23. 10 PM 61° Mostly Clear
24. 11 PM 61° Partly Cloudy
Thu 7/2 Mostly Sunny 0% 71° · 60°
1. 12 AM 60° Partly Cloudy
2. 1 AM 60° Partly Cloudy
3. 2 AM 60° Partly Cloudy
4. 3 AM 60° Partly Cloudy
5. 4 AM 59° Partly Cloudy
6. 5 AM 59° Mostly Cloudy
7. 6 AM 60° Mostly Cloudy
8. 7 AM 61° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 64° Mostly Cloudy
11. 10 AM 66° Mostly Cloudy
12. 11 AM 68° Mostly Sunny
13. 12 PM 69° Mostly Sunny
14. 1 PM 70° Mostly Sunny
15. 2 PM 70° Mostly Sunny
16. 3 PM 70° Mostly Sunny
17. 4 PM 70° Mostly Sunny
18. 5 PM 69° Sunny
19. 6 PM 68° Mostly Clear
20. 7 PM 66° Mostly Clear
21. 8 PM 64° Mostly Clear
22. 9 PM 63° Mostly Clear
23. 10 PM 62° Mostly Clear
24. 11 PM 62° Partly Cloudy
Fri 7/3 Mostly Sunny 0% 72° · 61°
1. 12 AM 62° Partly Cloudy
2. 1 AM 61° Partly Cloudy
3. 2 AM 61° Partly Cloudy
4. 3 AM 61° Partly Cloudy
5. 4 AM 61° Partly Cloudy
6. 5 AM 61° Mostly Cloudy
7. 6 AM 61° Mostly Cloudy
8. 7 AM 62° Mostly Cloudy
9. 8 AM 63° Mostly Cloudy
10. 9 AM 65° Mostly Cloudy
11. 10 AM 68° Mostly Cloudy
12. 11 AM 70° Mostly Sunny
13. 12 PM 71° Mostly Sunny
14. 1 PM 72° Mostly Sunny
15. 2 PM 72° Mostly Sunny
16. 3 PM 72° Mostly Sunny
17. 4 PM 71° Mostly Sunny
18. 5 PM 70° Sunny
19. 6 PM 69° Mostly Clear
20. 7 PM 67° Mostly Clear

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.

RunTomorrow 6 AM
comfortable at 61°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100
Bike9 AM
comfortable at 66°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100
Golf9 AM
comfortable at 66°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

Climate normals

What weather to expect in Costa Mesa

Costa Mesa in June typically averages 71° 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	71°	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: Mostly 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.

Forecast details

NWS gridpoint: SGX 36,59
Radar station: KSOX
Time zone: America/Los_Angeles
Coordinates: 33.641, -117.919