Weather Forecast and Conditions for Costa Mesa, California - The Weather Channel | Weather.com
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59° Clear Night
Clear
Day 85° • Night 57°
Feels Like59°
Sunrise

7:03 am

Sunset

6:58 pm

Temperature
High / Low
--/57°
Wind
2 mph
Humidity
Humidity
75%
Dew point
Dew Point
51°
Pressure
Pressure
29.90 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 24
Moon Phase
Waning Crescent

Hourly Weather-

Now

Clear Night Clear
58°
Rain drop 1%
SSE 1 mph
Subtract

Clear

  • Temperature feels like
    Feels Like58°
  • WindSSE 1 mph
  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

5 am

Clear Night Clear
57°
Rain drop 1%
SE 0 mph
Add

Clear

  • Temperature feels like
    Feels Like57°
  • WindSE 0 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 in

6 am

Partly Cloudy Night Partly Cloudy
57°
Rain drop 1%
ESE 1 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindESE 1 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

7 am

Mostly Cloudy Night Mostly Cloudy
58°
Rain drop 1%
E 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like58°
  • WindE 3 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover63%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Partly Cloudy Night Partly Cloudy
--/57°
Rain drop 1%
Subtract

Night

57°
Partly Cloudy Night
Rain drop
1%
SSE 2 mph

Partly cloudy skies. Low 57F. Winds light and variable.

  • Humidity
    Humidity74%
  • 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
74°/54°
Rain drop 3%
Add

Day

74°
Partly Cloudy Day
Rain drop
3%
SSE 10 mph

Sunshine and clouds mixed. High 74F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset6:58 pm

Night

54°
Partly Cloudy Night
Rain drop
20%
SSE 7 mph

Partly to mostly cloudy. Low 54F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:37 am
  • Moonset
    Moonset2:43 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Partly Cloudy Day AM Clouds/PM Sun
72°/55°
Rain drop 20%
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Day

72°
Partly Cloudy Day
Rain drop
20%
SSW 8 mph

Cloudy skies early will become partly cloudy later in the day. High 72F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset6:59 pm

Night

55°
Mostly Cloudy Night
Rain drop
13%
SE 6 mph

Mostly cloudy skies. Low around 55F. Winds light and variable.

  • Humidity
    Humidity84%
  • 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
79°/57°
Rain drop 19%
Add

Day

79°
Foggy
Rain drop
19%
W 8 mph

Areas of fog early, then partly cloudy in the afternoon. Near record high temperatures. High 79F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:00 pm

Night

57°
Partly Cloudy Night
Rain drop
3%
SSE 5 mph

Partly cloudy. Low 57F. Winds light and variable.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:44 am
  • Moonset
    Moonset4:51 pm
  • Moon Phase - Day 27 Waning Crescent
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