Current weather conditions and 15 day weather forecast for Mission Viejo, 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.
| 17 December 2025 Wednesday 12.8 ° C / 55°F ![]() Fog |
Feels Like : 13.4 ° C / 56°F Humidity : % 100 Pressure : 1018 mb Wind Speed : 3.6 kmph / 2.2 miles from SSE ![]() Visibility : 0.8 km Precipitation (rainfall) : 0 mm Cloud (%) : 60 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday | Fog |
10.7 ° C (51.3°F) |
22.5 ° C (72.5°F) |
14.6 ° C (58.4°F) |
% 85 | 0% | 0.7 | Sunrise:06:49 AM Sunset: 04:45 PM |
Moonrise:04:55 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Sunny |
12.2 ° C (54°F) |
25.6 ° C (78.1°F) |
17 ° C (62.5°F) |
% 52 | 0% | 0.7 | Sunrise:06:50 AM Sunset: 04:45 PM |
Moonrise:05:53 AM Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
12.7 ° C (54.9°F) |
23.3 ° C (73.9°F) |
17.1 ° C (62.8°F) |
% 47 | 0% | 0.7 | Sunrise:06:50 AM Sunset: 04:46 PM |
Moonrise:06:49 AM Moonset: 04:20 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
14.5 ° C (58.1°F) |
21.4 ° C (70.5°F) |
17.5 ° C (63.5°F) |
% 59 | 0% | 0.7 | Sunrise:06:51 AM Sunset: 04:46 PM |
Moonrise:07:41 AM Moonset: 05:16 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
14.8 ° C (58.7°F) |
22.2 ° C (71.9°F) |
17.2 ° C (62.9°F) |
% 64 | 0% | 0 | Sunrise:06:51 AM Sunset: 04:47 PM |
Moonrise:08:26 AM Moonset: 06:16 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
14.4 ° C (57.9°F) |
22.3 ° C (72.2°F) |
17.9 ° C (64.1°F) |
% 58 | 0% | 5 | Sunrise:06:52 AM Sunset: 04:47 PM |
Moonrise:09:06 AM Moonset: 07:18 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
14.4 ° C (57.9°F) |
19.5 ° C (67.1°F) |
16.6 ° C (61.9°F) |
% 72 | 0% | 5 | Sunrise:06:52 AM Sunset: 04:48 PM |
Moonrise:09:41 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
14.9 ° C (58.9°F) |
17.4 ° C (63.4°F) |
16.1 ° C (61.1°F) |
% 82 | 85% | 4 | Sunrise:06:53 AM Sunset: 04:48 PM |
Moonrise:10:11 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
14.2 ° C (57.6°F) |
16.2 ° C (61.1°F) |
15.5 ° C (59.9°F) |
% 82 | 85% | 4 | Sunrise:06:53 AM Sunset: 04:49 PM |
Moonrise:10:39 AM Moonset: 10:23 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
12 ° C (53.6°F) |
16.2 ° C (61.2°F) |
14 ° C (57.1°F) |
% 70 | 0% | 4 | Sunrise:06:53 AM Sunset: 04:49 PM |
Moonrise:11:06 AM Moonset: 11:26 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
10.8 ° C (51.4°F) |
16.6 ° C (61.8°F) |
13.6 ° C (56.4°F) |
% 65 | 0% | 4 | Sunrise:06:54 AM Sunset: 04:50 PM |
Moonrise:11:34 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
12 ° C (53.7°F) |
15.6 ° C (60.1°F) |
13.6 ° C (56.5°F) |
% 74 | 0% | 3 | Sunrise:06:54 AM Sunset: 04:51 PM |
Moonrise:12:03 PM Moonset: 12:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Cloudy |
11.9 ° C (53.4°F) |
15.4 ° C (59.7°F) |
13.8 ° C (56.9°F) |
% 73 | 0% | 3 | Sunrise:06:54 AM Sunset: 04:51 PM |
Moonrise:12:36 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
13.2 ° C (55.7°F) |
16 ° C (60.9°F) |
14.4 ° C (57.9°F) |
% 83 | 89% | 3 | Sunrise:06:55 AM Sunset: 04:52 PM |
Moonrise:01:15 PM Moonset: 02:50 AM Moon Phase ( Waxing Gibbous ) |
|