Current weather conditions and 15 day weather forecast for Mountain House, 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.
| 19 December 2025 Friday 11.1 ° C / 52°F ![]() Mist |
Feels Like : 11.5 ° C / 52.6°F Humidity : % 89 Pressure : 1020 mb Wind Speed : 3.6 kmph / 2.2 miles from WSW ![]() Visibility : 4.8 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Overcast |
9.2 ° C (48.6°F) |
14.4 ° C (57.9°F) |
11.8 ° C (53.2°F) |
% 91 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:49 PM |
Moonrise:06:23 AM Moonset: 03:32 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Fog |
8.8 ° C (47.8°F) |
16.4 ° C (61.5°F) |
12.7 ° C (54.9°F) |
% 88 | 0% | 0.4 | Sunrise:07:17 AM Sunset: 04:50 PM |
Moonrise:07:20 AM Moonset: 04:21 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Overcast |
12 ° C (53.6°F) |
13.4 ° C (56.1°F) |
12.7 ° C (54.9°F) |
% 91 | 0% | 0.1 | Sunrise:07:17 AM Sunset: 04:50 PM |
Moonrise:08:11 AM Moonset: 05:17 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
12 ° C (53.6°F) |
18.2 ° C (64.8°F) |
14.2 ° C (57.6°F) |
% 87 | 86% | 0.1 | Sunrise:07:18 AM Sunset: 04:50 PM |
Moonrise:08:55 AM Moonset: 06:18 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate rain |
12.3 ° C (54.2°F) |
13.9 ° C (57°F) |
13.1 ° C (55.7°F) |
% 94 | 82% | 0.1 | Sunrise:07:18 AM Sunset: 04:51 PM |
Moonrise:09:33 AM Moonset: 07:22 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
12.1 ° C (53.9°F) |
16.7 ° C (62.1°F) |
14.1 ° C (57.4°F) |
% 82 | 88% | 0 | Sunrise:07:19 AM Sunset: 04:52 PM |
Moonrise:10:05 AM Moonset: 08:27 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
10.9 ° C (51.7°F) |
15.5 ° C (59.9°F) |
13.4 ° C (56.1°F) |
% 72 | 86% | 3 | Sunrise:07:19 AM Sunset: 04:52 PM |
Moonrise:10:33 AM Moonset: 09:32 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate rain |
9.4 ° C (49°F) |
14.2 ° C (57.6°F) |
12.1 ° C (53.7°F) |
% 79 | 81% | 3 | Sunrise:07:19 AM Sunset: 04:53 PM |
Moonrise:10:58 AM Moonset: 10:36 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
8.2 ° C (46.8°F) |
13.9 ° C (57°F) |
11 ° C (51.9°F) |
% 77 | 83% | 3 | Sunrise:07:20 AM Sunset: 04:53 PM |
Moonrise:11:23 AM Moonset: 11:42 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
5.8 ° C (42.4°F) |
11.7 ° C (53°F) |
8.4 ° C (47.1°F) |
% 82 | 0% | 3 | Sunrise:07:20 AM Sunset: 04:54 PM |
Moonrise:11:47 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
5.2 ° C (41.3°F) |
11.1 ° C (52.1°F) |
7.9 ° C (46.2°F) |
% 81 | 0% | 3 | Sunrise:07:20 AM Sunset: 04:55 PM |
Moonrise:12:13 PM Moonset: 12:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
5 ° C (41.1°F) |
12.2 ° C (54°F) |
8.6 ° C (47.5°F) |
% 77 | 0% | 3 | Sunrise:07:21 AM Sunset: 04:56 PM |
Moonrise:12:43 PM Moonset: 02:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
9.2 ° C (48.6°F) |
10.6 ° C (51.1°F) |
10.2 ° C (50.4°F) |
% 78 | 85% | 3 | Sunrise:07:21 AM Sunset: 04:56 PM |
Moonrise:01:20 PM Moonset: 03:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
7.8 ° C (46.1°F) |
12.7 ° C (54.9°F) |
10.4 ° C (50.7°F) |
% 79 | 85% | 3 | Sunrise:07:21 AM Sunset: 04:57 PM |
Moonrise:02:05 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous ) |
|