Half Moon Bay Weather Forecast 15 Days, Weather in Half Moon Bay Today
Current weather conditions and 15 day weather forecast for Half Moon Bay, 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 Half Moon Bay
| 11 August 2026 Tuesday 13.6 ° C / 56.5°F  Fog |
Feels Like : 13.4 ° C / 56.1°F Humidity : % 100 Pressure : 1014 mb Wind Speed : 6.8 kmph / 4.3 miles from WSW  Visibility : 10 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 100 |
15 day weather forecast for Half Moon Bay, CA, USA
Weather Forecast for next 15 Days for Half Moon Bay 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 Half Moon Bay, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Fog |
13.3 ° C (55.9°F) |
19 ° C (66.2°F) |
15.5 ° C (59.9°F) |
% 87 | 51% | 8.1 | Sunrise:06:22 AM Sunset: 08:07 PM |
Moonrise:04:34 AM Moonset: 07:33 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday |  Patchy rain nearby |
13.8 ° C (56.8°F) |
18.5 ° C (65.4°F) |
15.6 ° C (60.1°F) |
% 86 | 46% | 7.7 | Sunrise:06:23 AM Sunset: 08:06 PM |
Moonrise:05:54 AM Moonset: 08:09 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Patchy rain nearby |
14.1 ° C (57.4°F) |
17.4 ° C (63.3°F) |
15.6 ° C (60°F) |
% 87 | 60% | 6.8 | Sunrise:06:24 AM Sunset: 08:04 PM |
Moonrise:07:13 AM Moonset: 08:40 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Patchy rain nearby |
14.1 ° C (57.4°F) |
18.2 ° C (64.7°F) |
15.7 ° C (60.3°F) |
% 85 | 49% | 8.3 | Sunrise:06:25 AM Sunset: 08:03 PM |
Moonrise:08:28 AM Moonset: 09:08 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Patchy rain nearby |
13.8 ° C (56.9°F) |
18 ° C (64.4°F) |
15.5 ° C (60°F) |
% 83 | 35% | 5 | Sunrise:06:25 AM Sunset: 08:02 PM |
Moonrise:09:41 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday |  Sunny |
13.2 ° C (55.7°F) |
18.6 ° C (65.6°F) |
15.5 ° C (60°F) |
% 82 | 12% | 5 | Sunrise:06:26 AM Sunset: 08:01 PM |
Moonrise:10:51 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
13.3 ° C (55.9°F) |
19.5 ° C (67.2°F) |
15.9 ° C (60.5°F) |
% 82 | 12% | 5 | Sunrise:06:27 AM Sunset: 07:59 PM |
Moonrise:12:01 PM Moonset: 10:32 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
13.8 ° C (56.9°F) |
19.8 ° C (67.6°F) |
16.4 ° C (61.5°F) |
% 80 | 10% | 5 | Sunrise:06:28 AM Sunset: 07:58 PM |
Moonrise:01:09 PM Moonset: 11:05 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
13.9 ° C (57°F) |
18.6 ° C (65.4°F) |
15.9 ° C (60.6°F) |
% 82 | 10% | 5 | Sunrise:06:29 AM Sunset: 07:57 PM |
Moonrise:02:15 PM Moonset: 11:44 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Patchy rain nearby |
14.1 ° C (57.4°F) |
17.3 ° C (63.2°F) |
15.4 ° C (59.6°F) |
% 84 | 25% | 5 | Sunrise:06:30 AM Sunset: 07:56 PM |
Moonrise:03:18 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Patchy rain nearby |
14.1 ° C (57.4°F) |
17.7 ° C (63.8°F) |
15.5 ° C (59.8°F) |
% 82 | 27% | 5 | Sunrise:06:30 AM Sunset: 07:54 PM |
Moonrise:04:15 PM Moonset: 12:29 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Patchy rain nearby |
13.3 ° C (55.9°F) |
17.9 ° C (64.3°F) |
15.2 ° C (59.4°F) |
% 82 | 20% | 5 | Sunrise:06:31 AM Sunset: 07:53 PM |
Moonrise:05:05 PM Moonset: 01:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
13.5 ° C (56.2°F) |
18.4 ° C (65.1°F) |
15.5 ° C (59.8°F) |
% 83 | 14% | 5 | Sunrise:06:32 AM Sunset: 07:52 PM |
Moonrise:05:47 PM Moonset: 02:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday |  Partly Cloudy |
13.8 ° C (56.9°F) |
18.2 ° C (64.7°F) |
15.6 ° C (60.1°F) |
% 84 | 14% | 5 | Sunrise:06:33 AM Sunset: 07:50 PM |
Moonrise:06:23 PM Moonset: 03:15 AM Moon Phase ( Waxing Gibbous ) |
|
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