South San Francisco Weather Forecast 15 Days, Weather in South San Francisco Today
Current weather conditions and 15 day weather forecast for South San Francisco, 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 South San Francisco
| 05 December 2025 Friday 11.7 ° C / 53.1°F  Partly cloudy |
Feels Like : 10.9 ° C / 51.6°F Humidity : % 74 Pressure : 1024 mb Wind Speed : 8.6 kmph / 5.4 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for South San Francisco, CA, USA
Weather Forecast for next 15 Days for South San Francisco 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 South San Francisco, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 December 2025 Thursday |  Sunny |
6.8 ° C (44.2°F) |
15.8 ° C (60.4°F) |
10.6 ° C (51.1°F) |
% 64 | 0% | 0.5 | Sunrise:07:09 AM Sunset: 04:51 PM |
Moonrise:04:27 PM Moonset: 07:05 AM Moon Phase ( Full Moon ) |
|
| 05 December 2025 Friday |  Fog |
7.2 ° C (45°F) |
11.5 ° C (52.7°F) |
9.2 ° C (48.5°F) |
% 88 | 0% | 0.5 | Sunrise:07:10 AM Sunset: 04:51 PM |
Moonrise:05:31 PM Moonset: 08:20 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Fog |
10.8 ° C (51.4°F) |
12.7 ° C (54.9°F) |
11.7 ° C (53°F) |
% 96 | 0% | 0.5 | Sunrise:07:11 AM Sunset: 04:51 PM |
Moonrise:06:43 PM Moonset: 09:24 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Mist |
11.1 ° C (52°F) |
12.9 ° C (55.3°F) |
11.9 ° C (53.5°F) |
% 95 | 0% | 0.4 | Sunrise:07:12 AM Sunset: 04:51 PM |
Moonrise:07:59 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Sunny |
11.2 ° C (52.1°F) |
15.8 ° C (60.5°F) |
12.9 ° C (55.3°F) |
% 77 | 0% | 0.4 | Sunrise:07:13 AM Sunset: 04:51 PM |
Moonrise:09:12 PM Moonset: 10:56 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Sunny |
12 ° C (53.6°F) |
16.3 ° C (61.4°F) |
13.4 ° C (56.1°F) |
% 74 | 0% | 0 | Sunrise:07:13 AM Sunset: 04:51 PM |
Moonrise:10:21 PM Moonset: 11:28 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Sunny |
12.7 ° C (54.9°F) |
16.9 ° C (62.5°F) |
14.4 ° C (57.9°F) |
% 86 | 0% | 4 | Sunrise:07:14 AM Sunset: 04:51 PM |
Moonrise:11:26 PM Moonset: 11:55 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Sunny |
12.5 ° C (54.5°F) |
17.3 ° C (63.1°F) |
14.4 ° C (58°F) |
% 81 | 0% | 4 | Sunrise:07:15 AM Sunset: 04:51 PM |
Moonrise:No moonrise Moonset: 12:18 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Sunny |
12 ° C (53.5°F) |
17.1 ° C (62.7°F) |
13.8 ° C (56.9°F) |
% 79 | 0% | 4 | Sunrise:07:16 AM Sunset: 04:51 PM |
Moonrise:12:27 AM Moonset: 12:40 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
10.4 ° C (50.7°F) |
14.8 ° C (58.7°F) |
12.1 ° C (53.8°F) |
% 80 | 0% | 4 | Sunrise:07:17 AM Sunset: 04:52 PM |
Moonrise:01:27 AM Moonset: 01:02 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Partly Cloudy |
10.1 ° C (50.1°F) |
12.6 ° C (54.7°F) |
11.4 ° C (52.6°F) |
% 68 | 0% | 4 | Sunrise:07:17 AM Sunset: 04:52 PM |
Moonrise:02:26 AM Moonset: 01:25 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Partly Cloudy |
11.4 ° C (52.6°F) |
14.8 ° C (58.6°F) |
13.2 ° C (55.7°F) |
% 77 | 0% | 4 | Sunrise:07:18 AM Sunset: 04:52 PM |
Moonrise:03:26 AM Moonset: 01:51 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Patchy rain nearby |
13.4 ° C (56.2°F) |
13.8 ° C (56.9°F) |
13.7 ° C (56.6°F) |
% 88 | 86% | 3 | Sunrise:07:19 AM Sunset: 04:53 PM |
Moonrise:04:26 AM Moonset: 02:20 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
11.7 ° C (53.1°F) |
13.4 ° C (56.1°F) |
12.7 ° C (54.8°F) |
% 78 | 89% | 3 | Sunrise:07:19 AM Sunset: 04:53 PM |
Moonrise:05:27 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
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