Weather Foster City long-term weather forecast
Long-term weather forecast for Foster City for ten days.
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Weather forecast Foster City, California, USA extended forecast
Foster City, California, USA - information
State: California, USAGPS coordinates: 37.5586; -122.2711
Time zone: America / Los Angeles
time difference in hours with time in US is -9 hours
Population: 33 477
Altitude: 3 m
The administrative part:
- California, Sacramento
- San Mateo County, San Mateo
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Weather Foster City, California, USA. Weather forecast Foster City.
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Data source
Weather forecast for Foster City 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
Astronomical information Foster City
data are always in the local timeSun and light
Jan. 15, 2026
| Sunrise: | Sunset: |
| 7:22 am | 5:15 pm |
| Noon: | Length of day: |
| 12:18 pm | 09:52 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:53 am | 5:44 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 6:21 am | 6:15 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:50 am | 6:46 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/15/2026 5:14 am | 01/15/2026 2:19 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
