| National Weather Service Forecast for:
Foster City CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 2:07 am PDT Sep 13, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a steady temperature around 61. West northwest wind around 13 mph, with gusts as high as 25 mph. |
| Sunday |
Sunny, with a high near 73. West northwest wind 11 to 20 mph, with gusts as high as 28 mph. |
| Sunday Night |
Mostly clear, with a low around 55. West northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. |
| Monday |
Sunny, with a high near 81. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. |
| Monday Night |
Mostly clear, with a low around 57. Southwest wind 6 to 13 mph, with gusts as high as 20 mph. |
| Tuesday |
Mostly sunny, with a high near 79. |
| Tuesday Night |
Mostly clear, with a low around 58. |
| Wednesday |
Mostly sunny, with a high near 79. |
| Wednesday Night |
Mostly clear, with a low around 58. |
| Thursday |
Mostly sunny, with a high near 80. |
| Thursday Night |
Mostly clear, with a low around 58. |
| Friday |
Mostly sunny, with a high near 79. |
| Friday Night |
Mostly clear, with a low around 58. |
| Saturday |
Mostly sunny, with a high near 76. |
Forecast from NOAA-NWS for Foster City CA.
