Weather South San Francisco today
Weather forecast South San Francisco Sept. 5, 2025
During the day morning overcast, in the afternoon initially overcast, later clear. The highest temperature 64 °F. Total rainfall 0.00 in. At night cloudy. The lowest temperature 57 °F.Meteogram is being loaded
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Weather forecast South San Francisco, California, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Today, Friday 09/05/2025 |
|||||||||||||
| 5 AM
8 AM
| overcast | 59 °F 59 °F |
0.00 in | 11 fps 8 mph west |
29.9 in | 91 % | 55 °F | 100 % | 0% | 100% | 0% | 0% | |
| 11 AM
2 PM
| overcast | 64 °F 64 °F |
0.0 in | 14 fps 9 mph west |
29.9 in | 74 % | 55 °F | 100 % | 0% | 100% | 0% | 0% | |
| 5 PM
8 PM
| clear | 64 °F 64 °F |
0.0 in | 16 fps 11 mph west |
29.9 in | 70 % | 55 °F | 1 % | 0% | 1% | 0% | 0% | |
| 11 PM
2 AM
| clear | 59 °F 61 °F |
0.0 in | 9 fps 6 mph west |
29.9 in | 92 % | 55 °F | 12 % | 0% | 12% | 0% | 0% | |
Tomorrow, Saturday 09/06/2025 |
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| 5 AM
8 AM
| cloudy | 57 °F 59 °F |
0.0 in | 6 fps 4 mph southwest |
29.9 in | 95 % | 55 °F | 76 % | 0% | 76% | 0% | 0% | |
| 11 AM
2 PM
| clear | 70 °F 72 °F |
0.0 in | 7 fps 5 mph west |
30.0 in | 64 % | 55 °F | 3 % | 0% | 3% | 0% | 0% | |
| 5 PM
8 PM
| clear | 72 °F 73 °F |
0.0 in | 13 fps 9 mph west |
30.0 in | 64 % | 57 °F | 7 % | 0% | 7% | 0% | 0% | |
| 11 PM
2 AM
| overcast | 63 °F 66 °F |
0.01 in | 5 fps 3 mph southwest |
30.1 in | 92 % | 59 °F | 100 % | 0% | 100% | 0% | 0% | |
South San Francisco, California, USA - information
State: California, USAGPS coordinates: 37.6547; -122.4078
Time zone: America / Los Angeles
time difference in hours with time in NY is -9 hours
Population: 67 271
Altitude: 16 ft
The administrative part:
- California, Sacramento
- San Mateo County, San Mateo
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Data source
Weather forecast for South San Francisco is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.⇵ Weather with Meteobox for your website
Online forecast for South San Francisco
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Astronomical information South San Francisco
data are always in the local timeSun and light
Sept. 5, 2025
| Sunrise: | Sunset: |
| 6:43 am | 7:32 pm |
| Noon: | Length of day: |
| 1:08 pm | 12:49 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:16 am | 7:59 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 5:45 am | 8:30 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:12 am | 9:02 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 09/04/2025 6:09 pm | 09/05/2025 4:14 am |
| Next new moon: | Next full moon: |
| 09/21/2025 | 09/07/2025 |
