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Costa Mesa weather

Today, tomorrow and the next 10 days

Tuesday, October 20 · 8:19 AM (Local time)98 ft above sea level

Costa Mesa temperature now

19°C

Clear skies

Today 25° / 19°

Wind
10 mph ESE
Humidity
93%
Next hour
0.00 in
Pressure
29.87 inHg

Model estimate, not a station reading · Updated Oct 20, 6:19 AM

Weather today and tomorrow

TodayTue Oct 2025° 19°Clear skiesRainfall 0.00 inWind up to 10 mphTomorrowWed Oct 2124° 17°Partly cloudyRainfall 0.40 inWind up to 11 mph

Tomorrow is similar to today, with about 0.40 in of precipitation.

Worth knowing

  • Heavy precipitation Thursday, 1.25 in
  • Intense rain for a short time Thursday, 1:00 AM, 0.32 in in an hour
  • Fog tomorrow, 6:00 AM

Derived from the model forecast, not an official warning.

Hourly forecast

Next 30 hours, local time

Temperature (°C)Rainfall (in)Wind (mph)

Hourly forecast
TimeConditionsTemperatureRainfallWind
Tue 8 AMClear skies19°C0.00 in10 mph ESE
Tue 9 AMClear skies21°C0.00 in10 mph SE
Tue 10 AMClear skies23°C0.00 in10 mph SE
Tue 11 AMMostly sunny24°C0.00 in10 mph SSE
Tue 12 PMClear skies25°C0.00 in10 mph S
Tue 1 PMClear skies25°C0.00 in9 mph S
Tue 2 PMClear skies25°C0.00 in9 mph S
Tue 3 PMClear skies24°C0.00 in9 mph SSW
Tue 4 PMClear skies24°C0.00 in8 mph SSW
Tue 5 PMClear skies23°C0.00 in9 mph S
Tue 6 PMClear night22°C0.00 in9 mph S
Tue 7 PMClear night21°C0.00 in8 mph SSW
Tue 8 PMClear night21°C0.00 in7 mph SW
Tue 9 PMMostly clear21°C0.00 in6 mph WSW
Tue 10 PMMostly clear20°C0.00 in7 mph W
Tue 11 PMMostly clear20°C0.00 in6 mph NW
Wed 12 AMMostly clear20°C0.00 in5 mph NNW
Wed 1 AMMostly clear20°C0.00 in5 mph NNW
Wed 2 AMMostly clear19°C0.00 in4 mph N
Wed 3 AMClear night19°C0.00 in4 mph NE
Wed 4 AMClear night18°C0.00 in6 mph NE
Wed 5 AMClear night18°C0.00 in7 mph NE
Wed 6 AMFog17°C0.00 in10 mph ENE
Wed 7 AMFog17°C0.00 in10 mph E
Wed 8 AMClear skies18°C0.00 in7 mph SE
Wed 9 AMClear skies20°C0.00 in11 mph SSW
Wed 10 AMMostly sunny22°C0.00 in11 mph SSW
Wed 11 AMPartly cloudy23°C0.00 in7 mph SW
Wed 12 PMPartly cloudy24°C0.00 in7 mph WSW
Wed 1 PMPartly cloudy24°C0.00 in6 mph WSW

10-day forecast

Select a day for its hours

TodayOct 200.00 in19°25°

Tuesday, October 20. Clear skies. High 25°C, low 19°C. Wind up to 10 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
8 AMClear skies19° 10 mph ESE0.00 in
9 AMClear skies21° 10 mph SE0.00 in
10 AMClear skies23° 10 mph SE0.00 in
11 AMMostly sunny24° 10 mph SSE0.00 in
12 PMClear skies25° 10 mph S0.00 in
1 PMClear skies25° 9 mph S0.00 in
2 PMClear skies25° 9 mph S0.00 in
3 PMClear skies24° 9 mph SSW0.00 in
4 PMClear skies24° 8 mph SSW0.00 in
5 PMClear skies23° 9 mph S0.00 in
6 PMClear night22° 9 mph S0.00 in
7 PMClear night21° 8 mph SSW0.00 in
8 PMClear night21° 7 mph SW0.00 in
9 PMMostly clear21° 6 mph WSW0.00 in
10 PMMostly clear20° 7 mph W0.00 in
11 PMMostly clear20° 6 mph NW0.00 in
TomorrowOct 210.40 in17°24°

Wednesday, October 21. Partly cloudy. High 24°C, low 17°C. Wind up to 11 mph. Rainfall 0.40 in.

TimeConditionsTemperatureWindRainfall
12 AMMostly clear20° 5 mph NNW0.00 in
1 AMMostly clear20° 5 mph NNW0.00 in
2 AMMostly clear19° 4 mph N0.00 in
3 AMClear night19° 4 mph NE0.00 in
4 AMClear night18° 6 mph NE0.00 in
5 AMClear night18° 7 mph NE0.00 in
6 AMFog17° 10 mph ENE0.00 in
7 AMFog17° 10 mph E0.00 in
8 AMClear skies18° 7 mph SE0.00 in
9 AMClear skies20° 11 mph SSW0.00 in
10 AMMostly sunny22° 11 mph SSW0.00 in
11 AMPartly cloudy23° 7 mph SW0.00 in
12 PMPartly cloudy24° 7 mph WSW0.00 in
1 PMPartly cloudy24° 6 mph WSW0.00 in
2 PMPartly cloudy24° 7 mph WSW0.00 in
3 PMLight rain showers24° 7 mph W0.01 in
4 PMRain showers23° 6 mph W0.04 in
5 PMHeavy rain showers22° 5 mph WNW0.04 in
6 PMRain showers21° 3 mph N0.03 in
7 PMLight rain showers20° 6 mph NNW0.01 in
8 PMHeavy rain showers20° 5 mph NNE0.06 in
9 PMHeavy rain20° 9 mph SSE0.13 in
10 PMRain18° 9 mph E0.03 in
11 PMHeavy rain showers19° 11 mph ESE0.06 in
ThuOct 221.25 in16°20°

Thursday, October 22. Rain showers. High 20°C, low 16°C. Wind up to 17 mph. Rainfall 1.25 in.

TimeConditionsTemperatureWindRainfall
12 AMHeavy rain19° 14 mph SE0.22 in
1 AMHeavy rain18° 14 mph SE0.32 in
2 AMHeavy rain18° 17 mph S0.21 in
3 AMHeavy rain18° 16 mph SSW0.09 in
4 AMLight rain showers18° 10 mph S0.01 in
5 AMHeavy rain18° 9 mph SSE0.06 in
6 AMHeavy rain18° 11 mph SW0.08 in
7 AMHeavy rain17° 12 mph WNW0.04 in
8 AMRain16° 9 mph NNE0.02 in
9 AMPartly cloudy17° 6 mph ENE0.00 in
10 AMPartly cloudy18° 9 mph ESE0.00 in
11 AMRain showers19° 10 mph SSE0.02 in
12 PMRain showers20° 12 mph S0.02 in
1 PMHeavy rain showers19° 10 mph SSW0.08 in
2 PMRain18° 10 mph WSW0.03 in
3 PMRain showers19° 9 mph W0.02 in
4 PMLight rain showers19° 7 mph WNW0.01 in
5 PMRain showers19° 7 mph W0.02 in
6 PMLight rain showers19° 8 mph WNW0.01 in
7 PMMostly clear18° 8 mph NW0.00 in
8 PMClear night18° 8 mph NNW0.00 in
9 PMClear night18° 8 mph NW0.00 in
10 PMLight rain showers17° 8 mph NNW0.01 in
11 PM 6 hClear night17° 8 mph NE0.00 in
FriOct 230.02 in16°21°

Friday, October 23. Mostly sunny. High 21°C, low 16°C. Wind up to 9 mph. Rainfall 0.02 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hMostly sunny16° 8 mph ESE0.00 in
11 AM 6 hMostly sunny20° 4 mph SSE0.01 in
5 PM 6 hClear night21° 9 mph W0.00 in
11 PM 6 hClear night17° 3 mph NE0.00 in
SatOct 240.00 in16°23°

Saturday, October 24. Clear skies. High 23°C, low 16°C. Wind up to 7 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hPartly cloudy16° 3 mph N0.00 in
11 AM 6 hClear skies23° 5 mph NW0.00 in
5 PM 6 hClear night23° 7 mph W0.00 in
11 PM 6 hClear night20° 1 mph N0.00 in
SunOct 250.00 in16°24°

Sunday, October 25. Clear skies. High 24°C, low 16°C. Wind up to 7 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hClear skies16° 2 mph NE0.00 in
11 AM 6 hClear skies23° 2 mph WNW0.00 in
5 PM 6 hClear night24° 7 mph WNW0.00 in
11 PM 6 hClear night20° 3 mph N0.00 in
MonOct 260.00 in16°25°

Monday, October 26. Clear skies. High 25°C, low 16°C. Wind up to 7 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hClear skies16° 3 mph N0.00 in
11 AM 6 hClear skies25° 4 mph NW0.00 in
5 PM 6 hClear night25° 7 mph WNW0.00 in
11 PM 6 hClear night21° 3 mph NNW0.00 in
TueOct 270.00 in17°26°

Tuesday, October 27. Partly cloudy. High 26°C, low 17°C. Wind up to 5 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hClear skies17° 4 mph N0.00 in
11 AM 6 hPartly cloudy25° 1 mph SSW0.00 in
5 PM 6 hPartly cloudy26° 5 mph W0.00 in
11 PM 6 hOvercast21° 4 mph NNW0.00 in
WedOct 280.00 in18°24°

Wednesday, October 28. Overcast. High 24°C, low 18°C. Wind up to 4 mph. Rainfall 0.00 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hOvercast18° 3 mph ENE0.00 in
11 AM 6 hOvercast24° 3 mph SE0.00 in
5 PM 6 hMostly clear24° 4 mph WSW0.00 in
11 PM 6 hPartly cloudy21° 3 mph WSW0.00 in
ThuOct 290.01 in19°23°

Thursday, October 29. Partly cloudy. High 23°C, low 19°C. Wind up to 9 mph. Rainfall 0.01 in.

TimeConditionsTemperatureWindRainfall
5 AM 6 hPartly cloudy19° 3 mph NNE0.00 in
11 AM 6 hPartly cloudy22° 3 mph NNW0.00 in
5 PMForecast23° 9 mph WN/A

Daily ranges use available forecast samples. Today covers the remaining forecast period. The final day may be partial. Longer range forecasts use wider time intervals.

Sunrise and sunset

Sunrise
7:00 AM
Sunset
6:12 PM
Daylight
11h 11m

Weather nearby

Questions about this forecast

Is this a measured current temperature?

No. The large temperature is the nearest available forecast model value from MET Norway, not a reading from a weather station. The update time is shown beneath it.

Why does today show a small temperature range?

Today covers only the remaining hours of the day. Earlier temperatures are not reconstructed, so an evening visit shows a narrower range.

Which time zone do the times use?

All times on this page are local to Costa Mesa (America/Los_Angeles).

Can I change the units or save this place?

Choose °C or °F at the top of any page. Select Save beside the place name to keep it under My places in this browser. Neither needs an account.

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