| National Weather Service Forecast for:
Foster City CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 1:26 am PDT Jun 22, 2026 | ||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 55. West southwest wind 3 to 5 mph. |
| Monday |
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming west 6 to 11 mph in the morning. |
| Monday Night |
Increasing clouds, with a low around 55. West wind 5 to 8 mph becoming calm after midnight. |
| Tuesday |
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light west southwest wind becoming west northwest 5 to 10 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 56. West wind 5 to 9 mph becoming calm in the evening. |
| Wednesday |
Mostly sunny, with a high near 78. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Sunny, with a high near 75. |
| Thursday Night |
Mostly clear, with a low around 56. |
| Friday |
Mostly sunny, with a high near 72. |
| Friday Night |
Partly cloudy, with a low around 57. |
| Saturday |
Mostly sunny, with a high near 70. |
| Saturday Night |
Mostly clear, with a low around 55. |
| Sunday |
Sunny, with a high near 77. |
Forecast from NOAA-NWS for Foster City CA.
