Cities / United States / California

25°

☀️ Costa Mesa weather

Clear sky. .

Feels like 28° Wind 14 km/h W Humidity 69% Pressure 1015 hPa UV 0 Air Good ☀ 06:14 - 19:36

Right now it is 25° in Costa Mesa with clear skies, it feels more like 28° and today's high is 25° with an overnight low of 17°. The sun rises at 06:14 and sets at 19:36, giving 13h 22m of daylight. Over the coming week highs range from 26° to 32°.

Costa Mesa is in California, United States, sitting 30 m above sea level, with a population of about 113,000. Local time is America/Los_Angeles (UTC−7), and every time on this page is shown in it.

Next 24 hours - temperature

17° 22° 27° 26° 18° 15:00 · 25.2° · 0 mm 16:00 · 24.9° · 0 mm 17:00 · 24.5° · 0 mm 18:00 · 23.2° · 0 mm 19:00 · 22° · 0 mm 20:00 · 20.8° · 0 mm 21:00 · 20.4° · 0 mm 22:00 · 19.7° · 0 mm 23:00 · 19.1° · 0 mm 00:00 · 18.7° · 0 mm 01:00 · 18.4° · 0 mm 02:00 · 18.3° · 0 mm 03:00 · 18.6° · 0 mm 04:00 · 18.4° · 0 mm 05:00 · 18.1° · 0 mm 06:00 · 17.6° · 0 mm 07:00 · 18.1° · 0 mm 08:00 · 21.3° · 0 mm 09:00 · 23.2° · 0 mm 10:00 · 24.3° · 0 mm 11:00 · 24.8° · 0 mm 12:00 · 25.8° · 0 mm 13:00 · 26.4° · 0 mm 14:00 · 25.9° · 0 mm

Precipitation

15:00 · 0 mm 15:00 16:00 · 0 mm 17:00 · 0 mm 18:00 · 0 mm 18:00 19:00 · 0 mm 20:00 · 0 mm 21:00 · 0 mm 21:00 22:00 · 0 mm 23:00 · 0 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0 mm 03:00 · 0 mm 03:00 04:00 · 0 mm 05:00 · 0 mm 06:00 · 0 mm 06:00 07:00 · 0 mm 08:00 · 0 mm 09:00 · 0 mm 09:00 10:00 · 0 mm 11:00 · 0 mm 12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
15:00 ☀️ 25.2° 25.6° - Clear sky
16:00 ☀️ 24.9° 25.1° - Clear sky
17:00 ☀️ 24.5° 24.4° - Clear sky
18:00 ☀️ 23.2° 22.9° - Clear sky
19:00 ☀️ 22° 22.2° - Clear sky
20:00 ☀️ 20.8° 21.8° - Clear sky
21:00 ☀️ 20.4° 21.5° - Clear sky
22:00 ☀️ 19.7° 21.6° - Clear sky
23:00 ☀️ 19.1° 20.8° - Clear sky
00:00 ☀️ 18.7° 20.1° - Clear sky
01:00 ☀️ 18.4° 19.8° - Clear sky
02:00 ☀️ 18.3° 18.7° - Clear sky

Next 16 days

Today☀️ 25°17° Mon 17☁️ 26°18° Tue 18☁️ 31°17° Wed 19☁️ 32°23° Thu 20☁️ 31°23° Fri 21☁️ 31°23° Sat 22🌦️ 32°24°0.9mm Sun 23🌦️ 31°24°3mm Mon 24☀️ 31°24° Tue 25☁️ 30°24° Wed 26☁️ 30°23° Thu 27☀️ 32°24° Fri 28☀️ 35°24° Sat 29☀️ 34°24° Sun 30☀️ 31°22° Mon 31☀️ 30°21°
☀️ TodayAugust 16th Avg 21° Low 17° at 06:00 High 25° at 14:00 Wind ~16 km/h
Clear Clear
00:00 19°
02:00 18°
04:00 18°
06:00 17°
08:00 21°
10:00 23°
12:00 25°
14:00 25°
16:00 25°
18:00 23°
20:00 21°
22:00 20°
☁️ MondayAugust 17th Avg 22° Low 18° at 06:00 High 26° at 13:00 Wind ~17 km/h
Clear Cloudy
00:00 19°
02:00 18°
04:00 18°
06:00 18°
08:00 21°
10:00 24°
12:00 26°
14:00 26°
16:00 25°
18:00 25°
20:00 22°
22:00 21°
☁️ TuesdayAugust 18th Avg 24° Low 17° at 06:00 High 31° at 13:00 Wind ~14 km/h
Cloudy Cloudy
00:00 19°
02:00 19°
04:00 18°
06:00 17°
08:00 21°
10:00 26°
12:00 30°
14:00 31°
16:00 30°
18:00 28°
20:00 26°
22:00 25°
☁️ WednesdayAugust 19th Avg 26° Low 23° at 06:00 High 32° at 15:00 Feels 30° Wind ~14 km/h
Clear Cloudy Clear
00:00 24°
02:00 23°
04:00 23°
06:00 23°
08:00 24°
10:00 27°
12:00 30°
14:00 31°
16:00 30°
18:00 29°
20:00 26°
22:00 25°
☁️ ThursdayAugust 20th Avg 26° Low 23° at 05:00 High 31° at 13:00 Wind ~14 km/h
Cloudy Clear Cloudy Clear
00:00 24°
02:00 24°
04:00 24°
06:00 23°
08:00 25°
10:00 28°
12:00 30°
14:00 31°
16:00 30°
18:00 28°
20:00 26°
22:00 25°
☁️ FridayAugust 21st Avg 27° Low 23° at 05:00 High 31° at 14:00 Wind ~14 km/h
Clear Cloudy Clear
00:00 24°
02:00 24°
04:00 24°
06:00 24°
08:00 25°
10:00 27°
12:00 30°
14:00 31°
16:00 31°
18:00 28°
20:00 26°
22:00 26°
🌦️ SaturdayAugust 22nd Avg 27° Low 24° at 05:00 High 32° at 14:00 0.9 mm rain Wind ~14 km/h
Partly Cloudy Cloudy Rain Cloudy Rain
00:00 25°
02:00 25°
04:00 25°
06:00 25°
08:00 26°
10:00 29° 0.1mm
12:00 31°
14:00 32°
16:00 31°
18:00 29°
20:00 26°
22:00 25° 0.2mm
🌦️ SundayAugust 23rd Avg 27° Low 24° at 03:00 High 31° at 15:00 3 mm rain Wind ~14 km/h
Rain Clear
00:00 25° 0.1mm
02:00 25° 0.1mm
04:00 24° 0.2mm
06:00 25° 0.5mm
08:00 26° 0.5mm
10:00 27° 0.1mm
12:00 29° 0.1mm
14:00 31° 0.1mm
16:00 31°
18:00 29°
20:00 26°
22:00 25°
☀️ MondayAugust 24th Avg 27° Low 24° at 04:00 High 31° at 14:00 Wind ~17 km/h
Clear
00:00 25°
02:00 24°
04:00 24°
06:00 24°
08:00 25°
10:00 28°
12:00 31°
14:00 31°
16:00 30°
18:00 28°
20:00 26°
22:00 25°
☁️ TuesdayAugust 25th Avg 26° Low 24° at 04:00 High 30° at 14:00 Feels 28° Wind ~16 km/h
Cloudy
00:00 24°
02:00 24°
04:00 24°
06:00 24°
08:00 24°
10:00 27°
12:00 29°
14:00 30°
16:00 30°
18:00 28°
20:00 26°
22:00 24°
☁️ WednesdayAugust 26th Avg 26° Low 23° at 04:00 High 30° at 14:00 Wind ~15 km/h
Cloudy Partly Cloudy Cloudy
00:00 24°
02:00 23°
04:00 23°
06:00 23°
08:00 24°
10:00 27°
12:00 29°
14:00 30°
16:00 28°
18:00 27°
20:00 25°
22:00 25°
☀️ ThursdayAugust 27th Avg 27° Low 24° at 04:00 High 32° at 14:00 Wind ~15 km/h
Cloudy Clear
00:00 24°
02:00 24°
04:00 24°
06:00 24°
08:00 25°
10:00 28°
12:00 31°
14:00 32°
16:00 30°
18:00 28°
20:00 27°
22:00 25°
☀️ FridayAugust 28th Avg 28° Low 24° at 03:00 High 35° at 14:00 Feels 32° Wind ~16 km/h
Clear
00:00 24°
02:00 24°
04:00 24°
06:00 24°
08:00 25°
10:00 30°
12:00 33°
14:00 35°
16:00 33°
18:00 31°
20:00 30°
22:00 28°
☀️ SaturdayAugust 29th Avg 28° Low 24° at 04:00 High 34° at 14:00 Feels 31° Wind ~15 km/h
Clear
00:00 26°
02:00 25°
04:00 24°
06:00 24°
08:00 26°
10:00 29°
12:00 32°
14:00 34°
16:00 33°
18:00 31°
20:00 29°
22:00 27°
☀️ SundayAugust 30th Avg 26° Low 22° at 23:00 High 31° at 14:00 Feels 28° Wind ~16 km/h
Clear Cloudy Clear
00:00 25°
02:00 24°
04:00 24°
06:00 23°
08:00 24°
10:00 27°
12:00 29°
14:00 31°
16:00 29°
18:00 26°
20:00 24°
22:00 23°
☀️ MondayAugust 31st Avg 24° Low 21° at 04:00 High 30° at 14:00 Feels 28° Wind ~14 km/h
Clear
00:00 22°
02:00 22°
04:00 21°
06:00 21°
08:00 22°
10:00 26°
12:00 28°
14:00 30°
16:00 28°
18:00 26°
20:00 23°
22:00 22°

Sun

☀️ Sunrise 06:14 · Sunset 19:36

13h 22m of daylight · America/Los_Angeles

Air quality

PM2.5 7.2 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Hoosier Trailer Court · 0.4 km Snug Harbor Trailer Park (historical) · 0.8 km El Nido Mobile Home Estates (historical) · 0.9 km Ponderosa Mobile Home Park · 1 km Cliff Haven · 1 km Tradewinds Trailer Village · 1.4 km

Tools for Costa Mesa

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Costa Mesa weather

Will it rain in Costa Mesa today?

No rain is in the forecast for Costa Mesa today.

What is the temperature in Costa Mesa right now?

It is 25° in Costa Mesa right now, though it feels closer to 28°. Today runs between a low of 17° and a high of 25°.

What time is sunrise and sunset in Costa Mesa?

The sun rises at 06:14 and sets at 19:36 local time in Costa Mesa today, giving 13h 22m of daylight.

What is the air quality in Costa Mesa?

PM2.5 in Costa Mesa is currently 7.2 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Costa Mesa forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Costa Mesa best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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