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Costa Mesa, California Republic, United States weather

Orange, California Republic, United States

Updated

Data was updated about 5 h ago and may not be current. We are updating the forecast for Costa Mesa.

Costa Mesa weather

17°
Overcast
Feels like 18°
Low/High: 15° / 19°
Humidity84%
Wind2 km/h
Visibility17.2 km
UV index0
Through the day:
Morning
16°31%
Afternoon
19°15%
Evening
17°4%
Night
15°2%

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. Light drizzle17°Chance of rain 21%
  2. Overcast16°Chance of rain 31%
  3. Mainly clear17°Chance of rain 25%
  4. Overcast17°Chance of rain 20%
  5. Partly cloudy19°Chance of rain 19%
  6. Overcast18°Chance of rain 17%
  7. Overcast19°Chance of rain 10%
  8. Mainly clear19°Chance of rain 15%
  9. Overcast19°Chance of rain 16%
  10. Partly cloudy19°Chance of rain 15%
  11. Overcast18°Chance of rain 18%
  12. Light drizzle17°Chance of rain 6%
  13. Overcast17°Chance of rain 10%
  14. Partly cloudy17°Chance of rain 4%
  15. Mainly clear17°Chance of rain 3%
  16. Heavy rain15°Chance of rain 1%
  17. Overcast16°Chance of rain 1%
  18. Mainly clear15°Chance of rain 2%
  19. Clear sky14°Chance of rain 2%
  20. Overcast15°Chance of rain 3%
  21. Partly cloudy15°Chance of rain 1%
  22. Mainly clear14°Chance of rain 0%
  23. Clear sky14°Chance of rain 0%
  24. Clear sky13°Chance of rain 0%

Costa Mesa weather, next 7 days

  1. 15°19°

    Heavy rain · Rain 31%

  2. 12°22°

    Overcast · Rain 3%

  3. 19°27°

    Clear sky · Rain 0%

  4. 21°33°

    Clear sky · Rain 0%

  5. 27°35°

    Clear sky · Rain 0%

  6. 26°34°

    Clear sky · Rain 0%

  7. 24°30°

    Clear sky · Rain 0%

Environment

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

Sunrise & sunset

11h 27m of daylight
Noon 12:38
Rise: 06:54Dawn 06:29
Set: 18:21Dusk 18:46
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
06:0021%0.1 mm
07:0031%0 mm
08:0025%0 mm
09:0020%0 mm
10:0019%0 mm
11:0017%0 mm
12:0010%0 mm
13:0015%0 mm
14:0016%0 mm
15:0015%0 mm
16:0018%0 mm
17:006%0.1 mm
18:0010%0 mm
19:004%0 mm
20:003%0 mm
21:001%7.6 mm
22:001%0 mm
23:002%0 mm
00:002%0 mm
01:003%0 mm
02:001%0 mm
03:000%0 mm
04:000%0 mm
05:000%0 mm

Temperature & feels-like

Hourly air and feels-like temperature (°C)

  • Temperature
  • Feels like
Show data table
Temperature by the hour
TimeTemperatureFeels like
06:0016.5°C16.6°C
07:0016.3°C16.8°C
08:0017.3°C17.7°C
09:0017.3°C17.5°C
10:0019°C19°C
11:0018.4°C17.4°C
12:0018.9°C17.7°C
13:0019.2°C17.5°C
14:0019.1°C16.8°C
15:0019.2°C17.5°C
16:0018.4°C16.3°C
17:0017.1°C16.2°C
18:0017.1°C16.7°C
19:0016.9°C16.3°C
20:0016.5°C16.1°C
21:0015.3°C15°C
22:0015.5°C15.9°C
23:0015.1°C15.6°C
00:0014.4°C14.5°C
01:0015.1°C15.4°C
02:0015.4°C15°C
03:0014.4°C14°C
04:0013.5°C12.8°C
05:0012.8°C12.1°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
06:000Low
07:000Low
08:000.2Low
09:000.9Low
10:002.4Low
11:003.1Moderate
12:004.1Moderate
13:004.5Moderate
14:003.7Moderate
15:002.9Moderate
16:002.2Low
17:001.5Low
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

Wind & gusts in Costa Mesa

In km/h

  • Wind speed (km/h)
  • Gusts (km/h)
Show data table
Wind by the hour
TimeWind speedGusts
06:007.9 km/h23.8 km/h
07:007 km/h21.6 km/h
08:006.5 km/h22.3 km/h
09:009.3 km/h20.2 km/h
10:006.6 km/h19.1 km/h
11:0010.8 km/h21.2 km/h
12:0013.1 km/h21.2 km/h
13:0016.3 km/h24.1 km/h
14:0017.9 km/h27.4 km/h
15:0016.3 km/h23.4 km/h
16:0016.8 km/h25.2 km/h
17:009.3 km/h19.8 km/h
18:004.9 km/h15.1 km/h
19:002.6 km/h13.3 km/h
20:001.9 km/h7.6 km/h
21:008.6 km/h13 km/h
22:004 km/h13 km/h
23:004 km/h9.7 km/h
00:005.7 km/h15.1 km/h
01:004.1 km/h8.3 km/h
02:004.3 km/h6.5 km/h
03:003.6 km/h10.4 km/h
04:006.4 km/h9.7 km/h
05:005.9 km/h7.9 km/h

Sun and moon in Costa Mesa

Daylight: 11 h 27 min

Sunrise time
06:54
Sunset time
18:21

Solar noon (sun highest)
12:38
Dawn – dusk
06:29 / 18:46
Morning blue hour
06:29 – 06:38
Evening blue hour
18:36 – 18:46
Morning golden hour
06:38 – 07:27
Evening golden hour
17:47 – 18:36

Waxing crescent · 5% illuminated

Moonrise 09:05 · moonset 19:25

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)