10-Day Weather Forecast for Costa Mesa, California - The Weather Channel | weather.com
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10 Day Weather-

As of 7:21 pm PDT
alertLevel3

Heat Advisory

Tonight

Clear Night Clear
--/58°
Rain drop 1%
Subtract

Night

58°
Clear Night
Rain drop
1%
ESE 6 mph

Clear skies. Low 58F. Winds light and variable.

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Southeast: Watch For High Winds, Isolated Tornadoes


  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:09 am
  • Moonset
    Moonset12:42 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
80°/57°
Rain drop 2%
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Day

80°
Partly Cloudy Day
Rain drop
2%
S 7 mph

Mostly sunny skies during the morning will give way to mostly cloudy skies in the afternoon. High around 80F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset6:58 pm

Night

57°
Mostly Cloudy Night
Rain drop
6%
SSE 5 mph

Considerable cloudiness. Low 57F. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:56 am
  • Moonset
    Moonset1:41 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
69°/55°
Rain drop 7%
Add

Day

69°
Partly Cloudy Day
Rain drop
7%
SSE 9 mph

Mostly cloudy skies early, then partly cloudy in the afternoon. High 69F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset6:58 pm

Night

55°
Partly Cloudy Night
Rain drop
10%
SE 7 mph

A few clouds from time to time. Low around 55F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:37 am
  • Moonset
    Moonset2:43 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Foggy AM Fog/PM Sun
75°/56°
Rain drop 19%
Add

Day

75°
Foggy
Rain drop
19%
SW 7 mph

Areas of fog early, then partly cloudy in the afternoon. High around 75F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset6:59 pm

Night

56°
Foggy
Rain drop
18%
SE 5 mph

Partly cloudy skies early will give way to considerable cloudiness and fog after midnight. Low 56F. Winds light and variable.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:12 am
  • Moonset
    Moonset3:46 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Foggy AM Fog/PM Sun
76°/58°
Rain drop 18%
Add

Day

76°
Foggy
Rain drop
18%
W 9 mph

Foggy early, then partly cloudy later in the day. Near record high temperatures. High 76F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:00 pm

Night

58°
Partly Cloudy Night
Rain drop
3%
SSE 5 mph

Clear to partly cloudy. Low 58F. Winds light and variable.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:44 am
  • Moonset
    Moonset4:51 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Sunny Sunny
81°/59°
Rain drop 3%
Add

Day

81°
Sunny
Rain drop
3%
W 9 mph

Sunny skies. Near record high temperatures. High 81F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:01 pm

Night

59°
Clear Night
Rain drop
3%
SSE 6 mph

Clear. Low 59F. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:13 am
  • Moonset
    Moonset5:55 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Sunny Sunny
80°/58°
Rain drop 3%
Add

Day

80°
Sunny
Rain drop
3%
S 8 mph

Mainly sunny. Near record high temperatures. High near 80F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:01 pm

Night

58°
Mostly Clear Night
Rain drop
4%
SE 5 mph

Mostly clear. Low 58F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:42 am
  • Moonset
    Moonset7:00 pm
  • Moon Phase - Day 0 New Moon

Thu 19

Mostly Clear Day Mostly Sunny
82°/59°
Rain drop 2%
Add

Day

82°
Mostly Clear Day
Rain drop
2%
W 8 mph

Sunshine. High 82F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:02 pm

Night

59°
Partly Cloudy Night
Rain drop
4%
SSE 6 mph

A few clouds. Low 59F. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:09 am
  • Moonset
    Moonset8:08 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Mostly Clear Day Mostly Sunny
80°/59°
Rain drop 2%
Add

Day

80°
Mostly Clear Day
Rain drop
2%
SW 8 mph

Sunshine along with some cloudy intervals. High around 80F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:03 pm

Night

59°
Foggy
Rain drop
18%
SSE 5 mph

Partly cloudy skies early, then becoming foggy and damp later at night. Low 59F. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:40 am
  • Moonset
    Moonset9:17 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
77°/61°
Rain drop 3%
Add

Day

77°
Partly Cloudy Day
Rain drop
3%
S 7 mph

Partly cloudy skies. High 77F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:04 pm

Night

61°
Foggy
Rain drop
18%
SSE 5 mph

Partly cloudy skies early will give way to considerable cloudiness and fog after midnight. Low 61F. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:13 am
  • Moonset
    Moonset10:29 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
76°/60°
Rain drop 3%
Add

Day

76°
Partly Cloudy Day
Rain drop
3%
S 8 mph

Partly cloudy. High 76F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:04 pm

Night

60°
Partly Cloudy Night
Rain drop
5%
SSE 5 mph

A few clouds from time to time. Low around 60F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:53 am
  • Moonset
    Moonset11:42 pm
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
75°/57°
Rain drop 3%
Add

Day

75°
Partly Cloudy Day
Rain drop
3%
S 9 mph

Intervals of clouds and sunshine. High around 75F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:05 pm

Night

57°
Partly Cloudy Night
Rain drop
9%
S 6 mph

A few clouds from time to time. Low 57F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:39 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
71°/56°
Rain drop 24%
Add

Day

71°
Partly Cloudy Day
Rain drop
24%
S 9 mph

Sunshine and clouds mixed. High 71F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:06 pm

Night

56°
Partly Cloudy Night
Rain drop
17%
S 6 mph

A few clouds from time to time. Low 56F. Winds light and variable.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:35 am
  • Moonset
    Moonset12:54 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
71°/55°
Rain drop 10%
Add

Day

71°
Partly Cloudy Day
Rain drop
10%
S 10 mph

Intervals of clouds and sunshine. High 71F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:07 pm

Night

55°
Partly Cloudy Night
Rain drop
12%
S 7 mph

Partly cloudy. Low near 55F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:38 am
  • Moonset
    Moonset1:59 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
70°/55°
Rain drop 20%
Add

Day

70°
Partly Cloudy Day
Rain drop
20%
SSW 11 mph

Partly cloudy skies. High around 70F. SE winds shifting to SW at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:07 pm

Night

55°
Partly Cloudy Night
Rain drop
21%
SW 8 mph

A few clouds. Low around 55F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:46 pm
  • Moonset
    Moonset2:56 am
  • Moon Phase - Day 8 Waxing Gibbous
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