Extended 10-day forecasts, Costa Mesa (CA)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Costa Mesa, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our July climate page to see if the current temperatures in Costa Mesa is typical for this time of year.
Today · Saturday 18 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 15:00 |
|
27°C (81°F) | 0 mm (0 in) | 52% | SW 3 m/s (6 knots) |
| 16:00 |
|
27°C (81°F) | 0 mm (0 in) | 54% | SW 4 m/s (8 knots) |
| 17:00 |
|
26°C (79°F) | 0 mm (0 in) | 60% | SW 4 m/s (8 knots) |
| 18:00 |
|
25°C (77°F) | 0 mm (0 in) | 66% | SW 5 m/s (10 knots) |
| 19:00 |
|
24°C (75°F) | 0 mm (0 in) | 69% | SW 4 m/s (8 knots) |
| 20:00 |
|
23°C (73°F) | 0 mm (0 in) | 77% | SW 5 m/s (10 knots) |
| 21:00 |
|
22°C (72°F) | 0 mm (0 in) | 81% | SW 4 m/s (8 knots) |
| 22:00 |
|
22°C (72°F) | 0 mm (0 in) | 82% | SW 3 m/s (6 knots) |
| 23:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | SW 2 m/s (4 knots) |
15:00
Clear skies
52% · SW 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
16:00
Clear skies
54% · SW 4 m/s (8 knots)
27°C (81°F)
0 mm (0 in)
17:00
Clear skies
60% · SW 4 m/s (8 knots)
26°C (79°F)
0 mm (0 in)
18:00
Clear skies
66% · SW 5 m/s (10 knots)
25°C (77°F)
0 mm (0 in)
19:00
Clear skies
69% · SW 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
20:00
Clear skies
77% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
21:00
Clear skies
81% · SW 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
22:00
Clear skies
82% · SW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
23:00
Clear skies
83% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Tomorrow · Sunday 19 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | SW 2 m/s (4 knots) |
| 01:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | S 2 m/s (4 knots) |
| 02:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | S 1 m/s (2 knots) |
| 03:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | S 1 m/s (2 knots) |
| 04:00 |
|
21°C (70°F) | 0 mm (0 in) | 83% | S 1 m/s (2 knots) |
| 05:00 |
|
21°C (70°F) | 0 mm (0 in) | 85% | SE 1 m/s (2 knots) |
| 06:00 |
|
20°C (68°F) | 0 mm (0 in) | 87% | SE 1 m/s (2 knots) |
| 07:00 |
|
21°C (70°F) | 0 mm (0 in) | 86% | SE 1 m/s (2 knots) |
| 08:00 |
|
22°C (72°F) | 0 mm (0 in) | 78% | S 1 m/s (2 knots) |
| 09:00 |
|
23°C (73°F) | 0 mm (0 in) | 71% | SW 2 m/s (4 knots) |
| 10:00 |
|
25°C (77°F) | 0 mm (0 in) | 65% | SW 3 m/s (6 knots) |
| 11:00 |
|
26°C (79°F) | 0 mm (0 in) | 62% | SW 4 m/s (8 knots) |
| 12:00 |
|
27°C (81°F) | 0 mm (0 in) | 60% | SW 4 m/s (8 knots) |
| 13:00 |
|
27°C (81°F) | 0 mm (0 in) | 56% | SW 4 m/s (8 knots) |
| 14:00 |
|
28°C (82°F) | 0 mm (0 in) | 53% | SW 4 m/s (8 knots) |
| 15:00 |
|
27°C (81°F) | 0 mm (0 in) | 57% | SW 5 m/s (10 knots) |
| 16:00 |
|
26°C (79°F) | 0 mm (0 in) | 60% | SW 5 m/s (10 knots) |
| 17:00 |
|
25°C (77°F) | 0 mm (0 in) | 61% | SW 4 m/s (8 knots) |
| 18:00 |
|
25°C (77°F) | 0 mm (0 in) | 62% | SW 4 m/s (8 knots) |
| 19:00 |
|
23°C (73°F) | 0 mm (0 in) | 66% | SW 4 m/s (8 knots) |
| 20:00 |
|
22°C (72°F) | 0 mm (0 in) | 73% | SW 3 m/s (6 knots) |
| 21:00 |
|
22°C (72°F) | 0 mm (0 in) | 77% | SW 3 m/s (6 knots) |
| 22:00 |
|
21°C (70°F) | 0 mm (0 in) | 79% | SW 2 m/s (4 knots) |
| 23:00 |
|
21°C (70°F) | 0 mm (0 in) | 82% | SW 2 m/s (4 knots) |
00:00
Partly cloudy
83% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
01:00
Cloudy
83% · S 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
02:00
Partly cloudy
83% · S 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
03:00
Partly cloudy
83% · S 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
04:00
Partly cloudy
83% · S 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
05:00
Partly cloudy
85% · SE 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
06:00
Partly cloudy
87% · SE 1 m/s (2 knots)
20°C (68°F)
0 mm (0 in)
07:00
Partly cloudy
86% · SE 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
08:00
Partly cloudy
78% · S 1 m/s (2 knots)
22°C (72°F)
0 mm (0 in)
09:00
Partly cloudy
71% · SW 2 m/s (4 knots)
23°C (73°F)
0 mm (0 in)
10:00
Mostly sunny
65% · SW 3 m/s (6 knots)
25°C (77°F)
0 mm (0 in)
11:00
Clear skies
62% · SW 4 m/s (8 knots)
26°C (79°F)
0 mm (0 in)
12:00
Clear skies
60% · SW 4 m/s (8 knots)
27°C (81°F)
0 mm (0 in)
13:00
Clear skies
56% · SW 4 m/s (8 knots)
27°C (81°F)
0 mm (0 in)
14:00
Clear skies
53% · SW 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
15:00
Clear skies
57% · SW 5 m/s (10 knots)
27°C (81°F)
0 mm (0 in)
16:00
Clear skies
60% · SW 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
17:00
Clear skies
61% · SW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
18:00
Clear skies
62% · SW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
19:00
Clear skies
66% · SW 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
20:00
Clear skies
73% · SW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
21:00
Clear skies
77% · SW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
22:00
Mostly clear
79% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
23:00
Partly cloudy
82% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Monday
20 Jul
21°C (70°F)
0 mm (0 in)
Partly cloudy
82% · SW 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
Mostly sunny
93% · E 1 m/s (2 knots)
28°C (82°F)
0 mm (0 in)
Partly cloudy
52% · SW 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
Partly cloudy
50% · SW 4 m/s (8 knots)
Mon
20 Jul
Tuesday
21 Jul
22°C (72°F)
0.2 mm (0.01 in)
Partly cloudy
79% · S 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
Partly cloudy
89% · SE 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
Mostly sunny
69% · SW 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
62% · SW 3 m/s (6 knots)
Tue
21 Jul
Wednesday
22 Jul
23°C (73°F)
0 mm (0 in)
Clear skies
82% · S 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
93% · NW 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
Cloudy
72% · W 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
71% · SW 3 m/s (6 knots)
Wed
22 Jul
Thursday
23 Jul
21°C (70°F)
0.1 mm (0 in)
Mostly clear
87% · SW 1 m/s (2 knots)
20°C (68°F)
0 mm (0 in)
Cloudy
92% · SE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
Mostly sunny
65% · SW 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
Mostly clear
63% · SW 3 m/s (6 knots)
Thu
23 Jul
Friday
24 Jul
22°C (72°F)
0 mm (0 in)
Mostly clear
77% · S 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
Partly cloudy
90% · SE 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
61% · SW 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
59% · SW 3 m/s (6 knots)
Fri
24 Jul
Saturday
25 Jul
21°C (70°F)
0 mm (0 in)
Mostly clear
79% · SE 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
Mostly sunny
94% · SE 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Mostly sunny
60% · SW 2 m/s (4 knots)
27°C (81°F)
0 mm (0 in)
Mostly clear
58% · SW 3 m/s (6 knots)
Sat
25 Jul
Sunday
26 Jul
22°C (72°F)
0 mm (0 in)
Mostly clear
77% · S 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
Clear skies
94% · E ()
28°C (82°F)
0 mm (0 in)
Clear skies
55% · SW 2 m/s (4 knots)
28°C (82°F)
0 mm (0 in)
Clear skies
54% · SW 3 m/s (6 knots)
Sun
26 Jul
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Costa Mesa weather by month
Browse monthly averages for Costa Mesa: climate by month with temperature, rainfall and sunshine.
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