Current weather conditions and 15 day weather forecast for Half Moon Bay Airport, 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.
| 14 December 2025 Sunday 12.1 ° C / 53.8°F ![]() Overcast |
Feels Like : 11.9 ° C / 53.3°F Humidity : % 94 Pressure : 1022 mb Wind Speed : 6.1 kmph / 3.8 miles from ENE ![]() Visibility : 13 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Patchy rain nearby |
9 ° C (48.2°F) |
14.8 ° C (58.6°F) |
11.4 ° C (52.6°F) |
% 92 | 89% | 0.5 | Sunrise:07:17 AM Sunset: 04:53 PM |
Moonrise:02:26 AM Moonset: 01:26 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Mist |
7.8 ° C (46°F) |
12.7 ° C (54.9°F) |
10.1 ° C (50.1°F) |
% 93 | 0% | 0.4 | Sunrise:07:17 AM Sunset: 04:53 PM |
Moonrise:03:26 AM Moonset: 01:51 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Fog |
12.4 ° C (54.3°F) |
15.2 ° C (59.4°F) |
13.5 ° C (56.4°F) |
% 97 | 0% | 0.4 | Sunrise:07:18 AM Sunset: 04:53 PM |
Moonrise:04:26 AM Moonset: 02:20 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
10.4 ° C (50.8°F) |
14.6 ° C (58.3°F) |
13.3 ° C (56°F) |
% 85 | 88% | 0.4 | Sunrise:07:19 AM Sunset: 04:54 PM |
Moonrise:05:27 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
10.1 ° C (50.2°F) |
13.5 ° C (56.3°F) |
11.3 ° C (52.3°F) |
% 73 | 0% | 0 | Sunrise:07:19 AM Sunset: 04:54 PM |
Moonrise:06:26 AM Moonset: 03:37 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy rain nearby |
10.5 ° C (50.9°F) |
13.9 ° C (57.1°F) |
12.7 ° C (54.8°F) |
% 89 | 80% | 3 | Sunrise:07:20 AM Sunset: 04:54 PM |
Moonrise:07:23 AM Moonset: 04:26 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Overcast |
9.2 ° C (48.6°F) |
11.6 ° C (52.8°F) |
10.2 ° C (50.4°F) |
% 71 | 0% | 3 | Sunrise:07:20 AM Sunset: 04:55 PM |
Moonrise:08:14 AM Moonset: 05:22 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Moderate rain |
9.8 ° C (49.6°F) |
13.6 ° C (56.5°F) |
11.4 ° C (52.5°F) |
% 86 | 83% | 3 | Sunrise:07:21 AM Sunset: 04:55 PM |
Moonrise:08:59 AM Moonset: 06:23 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
8.7 ° C (47.6°F) |
11.2 ° C (52.1°F) |
9.9 ° C (49.9°F) |
% 60 | 0% | 3 | Sunrise:07:21 AM Sunset: 04:56 PM |
Moonrise:09:37 AM Moonset: 07:27 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
6.4 ° C (43.6°F) |
10.2 ° C (50.4°F) |
8.5 ° C (47.3°F) |
% 62 | 0% | 3 | Sunrise:07:22 AM Sunset: 04:56 PM |
Moonrise:10:09 AM Moonset: 08:31 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
8.3 ° C (47°F) |
11.4 ° C (52.5°F) |
9.6 ° C (49.3°F) |
% 75 | 83% | 2 | Sunrise:07:22 AM Sunset: 04:57 PM |
Moonrise:10:37 AM Moonset: 09:36 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
8.4 ° C (47.1°F) |
9.9 ° C (49.7°F) |
10.1 ° C (50.1°F) |
% 75 | 83% | 3 | Sunrise:07:23 AM Sunset: 04:58 PM |
Moonrise:11:02 AM Moonset: 10:40 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate rain |
9.6 ° C (49.3°F) |
10.9 ° C (51.7°F) |
10.5 ° C (51°F) |
% 87 | 88% | 3 | Sunrise:07:23 AM Sunset: 04:58 PM |
Moonrise:11:27 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
7.2 ° C (45°F) |
10.7 ° C (51.3°F) |
9.3 ° C (48.8°F) |
% 68 | 0% | 3 | Sunrise:07:23 AM Sunset: 04:59 PM |
Moonrise:11:51 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|