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 Foster City Weather Forecast Summary |
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Today
Feb 21st
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Sunday
Feb 22nd
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Monday
Feb 23rd
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Tuesday
Feb 24th
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Wednesday
Feb 25th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
58°F
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65°F
46°F |
65°F
48°F |
62°F
55°F |
67°F
54°F |
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| Foster City Detailed Weather Forecast |
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| Saturday, February 21st, 2026 |
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Afternoon |
Temperature: 54°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 48°F |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 47°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 60°F |
| Cloudy. |
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Evening |
Temperature: 52°F |
| A mix of clear and cloudy skies. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 48°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 57°F |
| Cloudy. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 55°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 60°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 59°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 57°F |
| Cloudy with a chance of showers. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: 57°F |
| Cloudy. |
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Morning |
Temperature: 65°F |
| Cloudy. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 55°F |
| Cloudy. |
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| Thursday, February 26th, 2026 |
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Overnight |
Temperature: 52°F |
| Clear. |
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Morning |
Temperature: 66°F |
| Mostly sunny. |
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Afternoon |
Temperature: 65°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 56°F |
| Cloudy. |
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| Friday, February 27th, 2026 |
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Overnight |
Temperature: 54°F |
| Cloudy. |
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Morning |
Temperature: 66°F |
| Cloudy. |
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Afternoon |
Temperature: 66°F |
| Cloudy. |
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Evening |
Temperature: 59°F |
| Cloudy. |
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| Saturday, February 28th, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy. |
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Morning |
Temperature: 68°F |
| Cloudy. |
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Afternoon |
Temperature: 65°F |
| Cloudy. |
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Evening |
Temperature: 59°F |
| Cloudy. |
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| Sunday, March 1st, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy. |
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Morning |
Temperature: 64°F |
| Cloudy. |
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Afternoon |
Temperature: 62°F |
| Cloudy. |
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Evening |
Temperature: 55°F |
| Cloudy. |
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