Costa Mesa Weather Forecast 15 Days, Weather in Costa Mesa Today
Current weather conditions and 15 day weather forecast for Costa Mesa, California, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Costa Mesa
| 09 November 2026 Monday 24.6 ° C / 76.3°F  Cloudy |
Feels Like : 23.8 ° C / 74.8°F Humidity : % 33 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from SE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 69 |
15 day weather forecast for Costa Mesa, CA, USA
Weather Forecast for next 15 Days for Costa Mesa including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Costa Mesa, California state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 November 2026 Monday |  Sunny |
20.8 ° C (69.4°F) |
26.8 ° C (80.2°F) |
24.1 ° C (75.3°F) |
% 40 | 2% | 4.4 | Sunrise:06:17 AM Sunset: 04:52 PM |
Moonrise:06:57 AM Moonset: 05:01 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Sunny |
20.7 ° C (69.2°F) |
26.9 ° C (80.4°F) |
24 ° C (75.2°F) |
% 43 | 2% | 4.1 | Sunrise:06:18 AM Sunset: 04:52 PM |
Moonrise:08:03 AM Moonset: 05:47 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Sunny |
20.4 ° C (68.8°F) |
27.1 ° C (80.8°F) |
23.8 ° C (74.8°F) |
% 42 | 1% | 4.3 | Sunrise:06:19 AM Sunset: 04:51 PM |
Moonrise:09:04 AM Moonset: 06:40 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Sunny |
19.9 ° C (67.8°F) |
25.4 ° C (77.7°F) |
22.7 ° C (72.8°F) |
% 49 | 2% | 4.4 | Sunrise:06:20 AM Sunset: 04:50 PM |
Moonrise:09:58 AM Moonset: 07:37 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday |  Overcast |
19.2 ° C (66.6°F) |
24 ° C (75.2°F) |
21.5 ° C (70.7°F) |
% 57 | 36% | 6 | Sunrise:06:21 AM Sunset: 04:50 PM |
Moonrise:10:44 AM Moonset: 08:36 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday |  Patchy rain nearby |
18 ° C (64.5°F) |
22.2 ° C (71.9°F) |
20.1 ° C (68.2°F) |
% 66 | 39% | 6 | Sunrise:06:22 AM Sunset: 04:49 PM |
Moonrise:11:23 AM Moonset: 09:35 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday | Patchy rain nearby |
18.9 ° C (66°F) |
21.3 ° C (70.3°F) |
20.1 ° C (68.2°F) |
% 68 | 57% | 6 | Sunrise:06:23 AM Sunset: 04:48 PM |
Moonrise:11:56 AM Moonset: 10:33 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday |  Light drizzle |
15.8 ° C (60.4°F) |
19.6 ° C (67.2°F) |
18.3 ° C (64.9°F) |
% 70 | 74% | 4 | Sunrise:06:24 AM Sunset: 04:48 PM |
Moonrise:12:25 PM Moonset: 11:30 PM Moon Phase ( First Quarter ) |
|
| 17 November 2026 Tuesday | Patchy rain nearby |
14.6 ° C (58.3°F) |
17.7 ° C (63.9°F) |
16.1 ° C (61°F) |
% 52 | 36% | 5 | Sunrise:06:25 AM Sunset: 04:47 PM |
Moonrise:12:52 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 18 November 2026 Wednesday | Sunny |
12.9 ° C (55.2°F) |
18.2 ° C (64.7°F) |
16.1 ° C (60.9°F) |
% 48 | 36% | 5 | Sunrise:06:26 AM Sunset: 04:47 PM |
Moonrise:01:16 PM Moonset: 12:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 19 November 2026 Thursday |  Light rain shower |
16.6 ° C (61.8°F) |
18.5 ° C (65.3°F) |
17.5 ° C (63.4°F) |
% 64 | 78% | 4 | Sunrise:06:27 AM Sunset: 04:46 PM |
Moonrise:01:41 PM Moonset: 01:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 20 November 2026 Friday | Light rain shower |
16.9 ° C (62.3°F) |
18.8 ° C (65.8°F) |
17.7 ° C (63.8°F) |
% 69 | 76% | 4 | Sunrise:06:28 AM Sunset: 04:46 PM |
Moonrise:02:07 PM Moonset: 02:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 November 2026 Saturday | Patchy rain nearby |
15.6 ° C (60°F) |
19.2 ° C (66.5°F) |
17.4 ° C (63.4°F) |
% 64 | 57% | 4 | Sunrise:06:29 AM Sunset: 04:45 PM |
Moonrise:02:35 PM Moonset: 03:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 November 2026 Sunday | Patchy rain nearby |
15.2 ° C (59.3°F) |
18.1 ° C (64.6°F) |
16.7 ° C (62°F) |
% 62 | 17% | 5 | Sunrise:06:30 AM Sunset: 04:45 PM |
Moonrise:03:07 PM Moonset: 04:21 AM Moon Phase ( Full Moon ) |
|
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