Current weather conditions and 15 day weather forecast for Mount Wilson Heliport, 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.
| 18 December 2025 Thursday 11 ° C / 51.8°F ![]() Mist |
Feels Like : 10.2 ° C / 50.4°F Humidity : % 100 Pressure : 1016 mb Wind Speed : 7.9 kmph / 4.9 miles from NNE ![]() Visibility : 9.7 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Sunny |
11.4 ° C (52.5°F) |
30.6 ° C (87.1°F) |
19.2 ° C (66.5°F) |
% 60 | 0% | 0.7 | Sunrise:06:53 AM Sunset: 04:45 PM |
Moonrise:05:57 AM Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Cloudy |
17.2 ° C (62.9°F) |
23.6 ° C (74.5°F) |
20.6 ° C (69.1°F) |
% 44 | 0% | 0.6 | Sunrise:06:53 AM Sunset: 04:46 PM |
Moonrise:06:52 AM Moonset: 04:20 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
15 ° C (59°F) |
21.6 ° C (70.9°F) |
17.8 ° C (64.1°F) |
% 56 | 0% | 0.6 | Sunrise:06:54 AM Sunset: 04:46 PM |
Moonrise:07:44 AM Moonset: 05:16 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
13 ° C (55.5°F) |
21.3 ° C (70.4°F) |
17.3 ° C (63.1°F) |
% 59 | 0% | 0.5 | Sunrise:06:54 AM Sunset: 04:47 PM |
Moonrise:08:29 AM Moonset: 06:15 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
12.4 ° C (54.4°F) |
22.4 ° C (72.3°F) |
16.5 ° C (61.6°F) |
% 58 | 0% | 0 | Sunrise:06:55 AM Sunset: 04:47 PM |
Moonrise:09:09 AM Moonset: 07:18 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
11.9 ° C (53.3°F) |
19 ° C (66.3°F) |
15.4 ° C (59.7°F) |
% 65 | 81% | 4 | Sunrise:06:55 AM Sunset: 04:48 PM |
Moonrise:09:44 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
14.6 ° C (58.3°F) |
15.2 ° C (59.4°F) |
15 ° C (58.9°F) |
% 86 | 89% | 3 | Sunrise:06:56 AM Sunset: 04:48 PM |
Moonrise:10:13 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate rain |
12.8 ° C (55°F) |
14.3 ° C (57.7°F) |
13.7 ° C (56.7°F) |
% 91 | 87% | 3 | Sunrise:06:56 AM Sunset: 04:49 PM |
Moonrise:10:41 AM Moonset: 10:24 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
9.8 ° C (49.6°F) |
15.5 ° C (59.9°F) |
12.5 ° C (54.5°F) |
% 83 | 88% | 3 | Sunrise:06:56 AM Sunset: 04:50 PM |
Moonrise:11:08 AM Moonset: 11:27 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
7.8 ° C (46.1°F) |
15.4 ° C (59.8°F) |
11.1 ° C (51.9°F) |
% 79 | 89% | 3 | Sunrise:06:57 AM Sunset: 04:50 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
6.6 ° C (43.8°F) |
15.3 ° C (59.6°F) |
10.2 ° C (50.3°F) |
% 73 | 0% | 3 | Sunrise:06:57 AM Sunset: 04:51 PM |
Moonrise:12:03 PM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
6.3 ° C (43.4°F) |
16.2 ° C (61.2°F) |
10.4 ° C (50.8°F) |
% 73 | 0% | 4 | Sunrise:06:57 AM Sunset: 04:52 PM |
Moonrise:12:36 PM Moonset: 01:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
6.9 ° C (44.3°F) |
17.4 ° C (63.3°F) |
11.4 ° C (52.5°F) |
% 66 | 0% | 4 | Sunrise:06:58 AM Sunset: 04:52 PM |
Moonrise:01:15 PM Moonset: 02:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
8.1 ° C (46.6°F) |
17.6 ° C (63.7°F) |
12.7 ° C (54.8°F) |
% 63 | 0% | 4 | Sunrise:06:58 AM Sunset: 04:53 PM |
Moonrise:02:03 PM Moonset: 04:08 AM Moon Phase ( Waxing Gibbous ) |
|