 |
 Current Foster City Weather Conditions |
Updated January 17th at 12:55 am |
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| Temperature: | 48°F |
Dew Point: | 41°F |
| Barometer: | 30.09 inHg |
Wind: | calm |
| Humidity: | 76.0% |
Visibility: | 0M |
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| Foster City Weather Forecast Summary |
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Today
Jan 17th
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Sunday
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Cloudy |
Cloudy |
Sunny |
Sunny |
Cloudy |
65°F
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67°F
53°F |
67°F
52°F |
67°F
50°F |
67°F
51°F |
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| Foster City Detailed Weather Forecast |
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| Saturday, January 17th, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 62°F |
| Cloudy. |
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Evening |
Temperature: 56°F |
| Cloudy. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: 53°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 63°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 56°F |
| Cloudy. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 52°F |
| Clear. |
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Morning |
Temperature: 63°F |
| Sunny. |
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Afternoon |
Temperature: 63°F |
| Sunny. |
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Evening |
Temperature: 55°F |
| Clear. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 51°F |
| Clear. |
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Morning |
Temperature: 62°F |
| Sunny. |
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Afternoon |
Temperature: 63°F |
| Sunny. |
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Evening |
Temperature: 55°F |
| Clear. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 52°F |
| Clear. |
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Morning |
Temperature: 62°F |
| Sunny. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 55°F |
| Mostly clear. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy. |
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Morning |
Temperature: 60°F |
| Cloudy. |
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Afternoon |
Temperature: 59°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 52°F |
| Clear with cloudy periods. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 49°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 57°F |
| Sunny. |
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Afternoon |
Temperature: 57°F |
| Sunny. |
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Evening |
Temperature: 51°F |
| A mix of cloudy and clear skies. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 48°F |
| Clear. |
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Morning |
Temperature: 58°F |
| Sunny. |
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Afternoon |
Temperature: 57°F |
| Cloudy. |
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Evening |
Temperature: 52°F |
| Cloudy. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 49°F |
| Cloudy. |
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Morning |
Temperature: 58°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 59°F |
| Sunny. |
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Evening |
Temperature: 52°F |
| A mix of clear and cloudy skies. |
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