 |
 Current Foster City Weather Conditions |
Updated February 18th at 10:50 am |
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| Mostly Cloudy |
| Temperature: | 48°F |
Dew Point: | 43°F |
| Barometer: | 30.04 inHg |
Wind: | N 13 Mph |
| Humidity: | 81.5% |
Visibility: | 0M |
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| Foster City Weather Forecast Summary |
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Today
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Sunday
Feb 22nd
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Mix of rain and snow |
Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
50°F
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45°F
39°F |
53°F
37°F |
56°F
39°F |
64°F
45°F |
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| Foster City Detailed Weather Forecast |
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| Wednesday, February 18th, 2026 |
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Afternoon |
Temperature: 48°F |
| Sunny with cloudy periods with a chance of showers. |
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Evening |
Temperature: 42°F |
| Cloudy. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 41°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 44°F |
| Cloudy with showers likely. |
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Afternoon |
Temperature: 44°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 40°F |
| Clear. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 38°F |
| Cloudy. |
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Morning |
Temperature: 49°F |
| Cloudy. |
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Afternoon |
Temperature: 50°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 42°F |
| Clear. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 40°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 53°F |
| Cloudy. |
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Afternoon |
Temperature: 53°F |
| Cloudy. |
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Evening |
Temperature: 48°F |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 45°F |
| Clear. |
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Morning |
Temperature: 61°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 58°F |
| Cloudy. |
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Evening |
Temperature: 53°F |
| Cloudy. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 53°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 55°F |
| Cloudy with showers. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy with showers. Windy at times. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 55°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 57°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 57°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 55°F |
| Cloudy with a chance of showers. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 56°F |
| Cloudy with sunny periods with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 54°F |
| Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 48°F |
| Mostly clear with a chance of showers. |
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