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
| 10 February 2026 Tuesday 15.3 ° C / 59.5°F  Partly cloudy |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 83 Pressure : 1012 mb Wind Speed : 10.8 kmph / 6.7 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 February 2026 Tuesday |  Patchy rain nearby |
13 ° C (55.4°F) |
17 ° C (62.6°F) |
15 ° C (59°F) |
% 90 | 88% | 0.6 | Sunrise:06:40 AM Sunset: 05:32 PM |
Moonrise:01:36 AM Moonset: 11:22 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Heavy rain |
13.1 ° C (55.6°F) |
15.7 ° C (60.3°F) |
15 ° C (59.1°F) |
% 86 | 87% | 0.6 | Sunrise:06:39 AM Sunset: 05:33 PM |
Moonrise:02:33 AM Moonset: 12:07 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Overcast |
8.4 ° C (47.1°F) |
16.5 ° C (61.7°F) |
12.8 ° C (55°F) |
% 77 | 0% | 0.8 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:03:28 AM Moonset: 12:58 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Sunny |
12 ° C (53.6°F) |
19.3 ° C (66.7°F) |
15.9 ° C (60.7°F) |
% 55 | 0% | 0.9 | Sunrise:06:37 AM Sunset: 05:35 PM |
Moonrise:04:18 AM Moonset: 01:55 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Partly Cloudy |
14.6 ° C (58.3°F) |
17.4 ° C (63.4°F) |
15.8 ° C (60.5°F) |
% 69 | 0% | 0 | Sunrise:06:36 AM Sunset: 05:36 PM |
Moonrise:05:02 AM Moonset: 02:56 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Patchy rain nearby |
14.4 ° C (57.8°F) |
16.8 ° C (62.2°F) |
15.3 ° C (59.5°F) |
% 69 | 87% | 4 | Sunrise:06:35 AM Sunset: 05:37 PM |
Moonrise:05:41 AM Moonset: 04:00 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Moderate rain |
12.4 ° C (54.3°F) |
14.3 ° C (57.8°F) |
13.4 ° C (56.2°F) |
% 77 | 87% | 3 | Sunrise:06:34 AM Sunset: 05:37 PM |
Moonrise:06:15 AM Moonset: 05:04 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Patchy rain nearby |
11.4 ° C (52.5°F) |
14.5 ° C (58.1°F) |
12.8 ° C (55°F) |
% 67 | 88% | 3 | Sunrise:06:33 AM Sunset: 05:38 PM |
Moonrise:06:45 AM Moonset: 06:07 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Moderate rain |
11.1 ° C (51.9°F) |
13.2 ° C (55.8°F) |
12.1 ° C (53.7°F) |
% 66 | 86% | 3 | Sunrise:06:32 AM Sunset: 05:39 PM |
Moonrise:07:14 AM Moonset: 07:12 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Sunny |
10.7 ° C (51.3°F) |
14.5 ° C (58.1°F) |
12.6 ° C (54.6°F) |
% 56 | 0% | 4 | Sunrise:06:31 AM Sunset: 05:40 PM |
Moonrise:07:41 AM Moonset: 08:16 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
11.5 ° C (52.7°F) |
13.6 ° C (56.5°F) |
12.2 ° C (53.9°F) |
% 64 | 89% | 3 | Sunrise:06:30 AM Sunset: 05:41 PM |
Moonrise:08:09 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Patchy rain nearby |
9.4 ° C (48.9°F) |
14.6 ° C (58.3°F) |
12.2 ° C (53.9°F) |
% 47 | 68% | 3 | Sunrise:06:29 AM Sunset: 05:42 PM |
Moonrise:08:39 AM Moonset: 10:30 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Sunny |
10 ° C (49.9°F) |
15.6 ° C (60.1°F) |
12.7 ° C (54.9°F) |
% 31 | 0% | 4 | Sunrise:06:28 AM Sunset: 05:43 PM |
Moonrise:09:14 AM Moonset: 11:41 PM Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Sunny |
11.1 ° C (52°F) |
16.5 ° C (61.6°F) |
13.8 ° C (56.9°F) |
% 29 | 0% | 4 | Sunrise:06:27 AM Sunset: 05:44 PM |
Moonrise:09:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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