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
| 19 August 2025 Tuesday 19.2 ° C / 66.6°F  Partly Cloudy |
Feels Like : 19.2 ° C / 66.6°F Humidity : % 83 Pressure : 1020 mb Wind Speed : 19.8 kmph / 12.3 miles from W  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 | |
|---|---|
| 19 August 2025 Tuesday | |
| Weather forecast |  Mist |
| Low temperature | 12.6 ° C (54.7°F) |
| High temperature | 18 ° C (64.4°F) |
| Avg. temperature | 14.6 ° C (58.4°F) |
| Humidity | % 89 |
| Chance of rain | 0% |
| UV Index | 2.4 |
| Sun Position | Sunrise:06:29 AM Sunset: 07:57 PM |
| Moon Position | Moonrise:02:18 AM Moonset: 06:04 PM Moon Phase ( Waning Crescent ) |
| 20 August 2025 Wednesday | |
| Weather forecast | Mist |
| Low temperature | 12.7 ° C (54.9°F) |
| High temperature | 17.8 ° C (64°F) |
| Avg. temperature | 14.5 ° C (58.2°F) |
| Humidity | % 90 |
| Chance of rain | 0% |
| UV Index | 2.4 |
| Sun Position | Sunrise:06:30 AM Sunset: 07:55 PM |
| Moon Position | Moonrise:03:28 AM Moonset: 06:47 PM Moon Phase ( Waning Crescent ) |
| 21 August 2025 Thursday | |
| Weather forecast | Mist |
| Low temperature | 12.8 ° C (55°F) |
| High temperature | 17 ° C (62.6°F) |
| Avg. temperature | 14.4 ° C (57.9°F) |
| Humidity | % 91 |
| Chance of rain | 0% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:31 AM Sunset: 07:54 PM |
| Moon Position | Moonrise:04:39 AM Moonset: 07:22 PM Moon Phase ( Waning Crescent ) |
| 22 August 2025 Friday | |
| Weather forecast |  Cloudy |
| Low temperature | 13 ° C (55.4°F) |
| High temperature | 20.4 ° C (68.8°F) |
| Avg. temperature | 15.4 ° C (59.6°F) |
| Humidity | % 86 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:32 AM Sunset: 07:53 PM |
| Moon Position | Moonrise:05:49 AM Moonset: 07:51 PM Moon Phase ( Waning Crescent ) |
| 23 August 2025 Saturday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 13.4 ° C (56.1°F) |
| High temperature | 19.3 ° C (66.8°F) |
| Avg. temperature | 15.9 ° C (60.5°F) |
| Humidity | % 84 |
| Chance of rain | 83% |
| UV Index | 4 |
| Sun Position | Sunrise:06:32 AM Sunset: 07:51 PM |
| Moon Position | Moonrise:06:55 AM Moonset: 08:16 PM Moon Phase ( New Moon ) |
| 24 August 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 14.1 ° C (57.4°F) |
| High temperature | 19.3 ° C (66.8°F) |
| Avg. temperature | 16 ° C (60.8°F) |
| Humidity | % 83 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:33 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:07:59 AM Moonset: 08:38 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast |  Sunny |
| Low temperature | 13.9 ° C (57°F) |
| High temperature | 19.6 ° C (67.2°F) |
| Avg. temperature | 16.3 ° C (61.3°F) |
| Humidity | % 81 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:34 AM Sunset: 07:48 PM |
| Moon Position | Moonrise:09:00 AM Moonset: 09:00 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 14.2 ° C (57.6°F) |
| High temperature | 19.7 ° C (67.5°F) |
| Avg. temperature | 16.3 ° C (61.4°F) |
| Humidity | % 82 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:35 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:10:00 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 13.5 ° C (56.4°F) |
| High temperature | 19.6 ° C (67.2°F) |
| Avg. temperature | 15.9 ° C (60.6°F) |
| Humidity | % 82 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:36 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:10:59 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
| 28 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 13.4 ° C (56.2°F) |
| High temperature | 20.3 ° C (68.6°F) |
| Avg. temperature | 16.1 ° C (61°F) |
| Humidity | % 79 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:37 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:12:00 PM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
| 29 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 13.6 ° C (56.5°F) |
| High temperature | 20.7 ° C (69.2°F) |
| Avg. temperature | 16.7 ° C (62°F) |
| Humidity | % 77 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:37 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:01:01 PM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
| 30 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 14.3 ° C (57.7°F) |
| High temperature | 19.3 ° C (66.8°F) |
| Avg. temperature | 16.2 ° C (61.1°F) |
| Humidity | % 80 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:38 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:02:02 PM Moonset: 11:20 PM Moon Phase ( Waxing Crescent ) |
| 31 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 14.1 ° C (57.5°F) |
| High temperature | 20.8 ° C (69.5°F) |
| Avg. temperature | 17.1 ° C (62.8°F) |
| Humidity | % 84 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:39 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:03:02 PM Moonset: No moonset Moon Phase ( First Quarter ) |
| 01 September 2025 Monday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 14.3 ° C (57.8°F) |
| High temperature | 20.3 ° C (68.5°F) |
| Avg. temperature | 16.9 ° C (62.4°F) |
| Humidity | % 85 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:40 AM Sunset: 07:38 PM |
| Moon Position | Moonrise:03:58 PM Moonset: 12:04 AM Moon Phase ( Waxing Gibbous ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 August 2025 Tuesday | Mist |
12.6 ° C (54.7°F) |
18 ° C (64.4°F) |
14.6 ° C (58.4°F) |
% 89 | 0% | 2.4 | Sunrise:06:29 AM Sunset: 07:57 PM |
Moonrise:02:18 AM Moonset: 06:04 PM Moon Phase ( Waning Crescent ) |
|
| 20 August 2025 Wednesday | Mist |
12.7 ° C (54.9°F) |
17.8 ° C (64°F) |
14.5 ° C (58.2°F) |
% 90 | 0% | 2.4 | Sunrise:06:30 AM Sunset: 07:55 PM |
Moonrise:03:28 AM Moonset: 06:47 PM Moon Phase ( Waning Crescent ) |
|
| 21 August 2025 Thursday | Mist |
12.8 ° C (55°F) |
17 ° C (62.6°F) |
14.4 ° C (57.9°F) |
% 91 | 0% | 2.2 | Sunrise:06:31 AM Sunset: 07:54 PM |
Moonrise:04:39 AM Moonset: 07:22 PM Moon Phase ( Waning Crescent ) |
|
| 22 August 2025 Friday | Cloudy |
13 ° C (55.4°F) |
20.4 ° C (68.8°F) |
15.4 ° C (59.6°F) |
% 86 | 0% | 0 | Sunrise:06:32 AM Sunset: 07:53 PM |
Moonrise:05:49 AM Moonset: 07:51 PM Moon Phase ( Waning Crescent ) |
|
| 23 August 2025 Saturday | Patchy rain nearby |
13.4 ° C (56.1°F) |
19.3 ° C (66.8°F) |
15.9 ° C (60.5°F) |
% 84 | 83% | 4 | Sunrise:06:32 AM Sunset: 07:51 PM |
Moonrise:06:55 AM Moonset: 08:16 PM Moon Phase ( New Moon ) |
|
| 24 August 2025 Sunday | Partly Cloudy |
14.1 ° C (57.4°F) |
19.3 ° C (66.8°F) |
16 ° C (60.8°F) |
% 83 | 0% | 5 | Sunrise:06:33 AM Sunset: 07:50 PM |
Moonrise:07:59 AM Moonset: 08:38 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Sunny |
13.9 ° C (57°F) |
19.6 ° C (67.2°F) |
16.3 ° C (61.3°F) |
% 81 | 0% | 5 | Sunrise:06:34 AM Sunset: 07:48 PM |
Moonrise:09:00 AM Moonset: 09:00 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Sunny |
14.2 ° C (57.6°F) |
19.7 ° C (67.5°F) |
16.3 ° C (61.4°F) |
% 82 | 0% | 5 | Sunrise:06:35 AM Sunset: 07:47 PM |
Moonrise:10:00 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Sunny |
13.5 ° C (56.4°F) |
19.6 ° C (67.2°F) |
15.9 ° C (60.6°F) |
% 82 | 0% | 5 | Sunrise:06:36 AM Sunset: 07:46 PM |
Moonrise:10:59 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 28 August 2025 Thursday | Sunny |
13.4 ° C (56.2°F) |
20.3 ° C (68.6°F) |
16.1 ° C (61°F) |
% 79 | 0% | 5 | Sunrise:06:37 AM Sunset: 07:44 PM |
Moonrise:12:00 PM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 29 August 2025 Friday | Sunny |
13.6 ° C (56.5°F) |
20.7 ° C (69.2°F) |
16.7 ° C (62°F) |
% 77 | 0% | 5 | Sunrise:06:37 AM Sunset: 07:43 PM |
Moonrise:01:01 PM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 30 August 2025 Saturday | Sunny |
14.3 ° C (57.7°F) |
19.3 ° C (66.8°F) |
16.2 ° C (61.1°F) |
% 80 | 0% | 5 | Sunrise:06:38 AM Sunset: 07:41 PM |
Moonrise:02:02 PM Moonset: 11:20 PM Moon Phase ( Waxing Crescent ) |
|
| 31 August 2025 Sunday | Sunny |
14.1 ° C (57.5°F) |
20.8 ° C (69.5°F) |
17.1 ° C (62.8°F) |
% 84 | 0% | 5 | Sunrise:06:39 AM Sunset: 07:40 PM |
Moonrise:03:02 PM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 01 September 2025 Monday | Patchy rain nearby |
14.3 ° C (57.8°F) |
20.3 ° C (68.5°F) |
16.9 ° C (62.4°F) |
% 85 | 0% | 4 | Sunrise:06:40 AM Sunset: 07:38 PM |
Moonrise:03:58 PM Moonset: 12:04 AM Moon Phase ( Waxing Gibbous ) |
|
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