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Costa Mesa, California Republic, United States weather

Orange, California Republic, United States

Updated

Data was updated 2 days ago and may not be current. We are updating the forecast for Costa Mesa.

Costa Mesa weather

17°
Overcast
Feels like 18°
Low/High: 12° / 22°
Humidity84%
Wind2 km/h
Visibility17.2 km
UV index0
Through the day:
Morning
19°0%
Afternoon
27°0%
Evening
19°0%
Night
19°0%

Today's everyday tips

What to wear today?Chilly

Chilly: add a sweater, a warm windbreaker or a light scarf.

Suitability for light clothing75%
Good day to dry laundry?Great day

Dry and breezy, humidity 84%. Ideal for drying clothes and bedding quickly.

Drying index95%

Costa Mesa weather by the hour

Next 24 hours

  1. Clear sky22°Chance of rain 0%
  2. Clear sky22°Chance of rain 0%
  3. Clear sky21°Chance of rain 0%
  4. Clear sky20°Chance of rain 0%
  5. Clear sky19°Chance of rain 0%
  6. Clear sky18°Chance of rain 0%
  7. Clear sky18°Chance of rain 0%
  8. Clear sky18°Chance of rain 0%
  9. Clear sky19°Chance of rain 0%
  10. Clear sky20°Chance of rain 0%
  11. Clear sky20°Chance of rain 0%
  12. Clear sky20°Chance of rain 0%
  13. Clear sky20°Chance of rain 0%
  14. Clear sky20°Chance of rain 0%
  15. Clear sky20°Chance of rain 0%
  16. Clear sky20°Chance of rain 0%
  17. Clear sky19°Chance of rain 0%
  18. Clear sky20°Chance of rain 0%
  19. Clear sky22°Chance of rain 0%
  20. Clear sky23°Chance of rain 0%
  21. Clear sky25°Chance of rain 0%
  22. Clear sky26°Chance of rain 0%
  23. Clear sky27°Chance of rain 0%
  24. Clear sky27°Chance of rain 0%

Costa Mesa weather, next 7 days

  1. 12°22°

    Overcast · Rain 3%

  2. 19°27°

    Clear sky · Rain 0%

  3. 21°33°

    Clear sky · Rain 0%

  4. 27°35°

    Clear sky · Rain 0%

  5. 26°34°

    Clear sky · Rain 0%

  6. 24°30°

    Clear sky · Rain 0%

  7. 21°26°

    Clear sky · Rain 1%

Environment

AQI details →
Air quality
54Moderate
Ultraviolet (UV)
0Low
Wind now
2km/h
Dew point
14°RH 84%

Sunrise & sunset

11h 25m of daylight
Noon 12:37
Rise: 06:55Dawn 06:30
Set: 18:20Dusk 18:45
W

Windy wind map & radar (Costa Mesa)

Detailed radar →

Costa Mesa weather trends, next 24 hours

Chance of rain & rainfall in Costa Mesa

Bars show chance of rain (%); hover for rainfall (mm)

Show data table
Chance of rain and rainfall by the hour
TimeChance of rainRainfall
15:000%0 mm
16:000%0 mm
17:000%0 mm
18:000%0 mm
19:000%0 mm
20:000%0 mm
21:000%0 mm
22:000%0 mm
23:000%0 mm
00:000%0 mm
01:000%0 mm
02:000%0 mm
03:000%0 mm
04:000%0 mm
05:000%0 mm
06:000%0 mm
07:000%0 mm
08:000%0 mm
09:000%0 mm
10:000%0 mm
11:000%0 mm
12:000%0 mm
13:000%0 mm
14:000%0 mm

Temperature & feels-like

Hourly air and feels-like temperature (°C)

  • Temperature
  • Feels like
Show data table
Temperature by the hour
TimeTemperatureFeels like
15:0022.1°C21.1°C
16:0021.8°C20.4°C
17:0021.1°C19.6°C
18:0020.1°C18.8°C
19:0018.5°C18.1°C
20:0017.5°C17.2°C
21:0017.8°C16.6°C
22:0018.4°C17.3°C
23:0019.3°C18.1°C
00:0020.4°C19.5°C
01:0020.2°C19.3°C
02:0020°C19°C
03:0019.8°C18.8°C
04:0019.6°C18.4°C
05:0019.5°C18.1°C
06:0019.5°C18°C
07:0019.4°C17.7°C
08:0020.1°C18.2°C
09:0021.7°C19.5°C
10:0023.4°C20.7°C
11:0024.8°C22.1°C
12:0026°C23.5°C
13:0026.8°C24.2°C
14:0027°C24.2°C

UV index by the hour

How strong the sun's UV is through the day

Show data table
UV index by the hour
TimeUV indexRating
15:004.8Moderate
16:003.5Moderate
17:001.9Low
18:000.6Low
19:000Low
20:000Low
21:000Low
22:000Low
23:000Low
00:000Low
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000Low
07:000Low
08:000.4Low
09:001.5Low
10:003.1Moderate
11:004.5Moderate
12:005.6High
13:006High
14:005.8High

Wind & gusts in Costa Mesa

In km/h

  • Wind speed (km/h)
  • Gusts (km/h)
Show data table
Wind by the hour
TimeWind speedGusts
15:0011.6 km/h13.3 km/h
16:0011.3 km/h13.3 km/h
17:0011.3 km/h14.4 km/h
18:0010.5 km/h16.6 km/h
19:004.8 km/h17.3 km/h
20:002.9 km/h13.3 km/h
21:007.8 km/h10.8 km/h
22:006.5 km/h8.6 km/h
23:007.2 km/h7.5 km/h
00:005.4 km/h6.1 km/h
01:005.2 km/h5.8 km/h
02:004.8 km/h5 km/h
03:004.8 km/h5 km/h
04:004.5 km/h4.7 km/h
05:004.8 km/h4.7 km/h
06:004.2 km/h4.7 km/h
07:004.2 km/h4.7 km/h
08:004.6 km/h6.1 km/h
09:005.1 km/h6.5 km/h
10:006 km/h6.5 km/h
11:007.5 km/h5.8 km/h
12:009.4 km/h5.8 km/h
13:0011.5 km/h7.2 km/h
14:0013 km/h9 km/h

Sun and moon in Costa Mesa

Daylight: 11 h 25 min

Sunrise time
06:55
Sunset time
18:20

Solar noon (sun highest)
12:37
Dawn – dusk
06:30 / 18:45
Morning blue hour
06:30 – 06:39
Evening blue hour
18:35 – 18:45
Morning golden hour
06:39 – 07:28
Evening golden hour
17:46 – 18:35

Waxing crescent · 11% illuminated

Moonrise 10:05 · moonset 20:04

Weather near Costa Mesa

Related places

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Costa Mesa weather FAQ

It is currently about 17°C in Costa Mesa, feeling like 18°C. Conditions: Overcast, humidity 84%, wind 2 km/h.

More tools for Costa Mesa

Data source: Weather data by Open-Meteo.com (CC BY 4.0)