 |
 Current South San Francisco Weather Conditions |
Updated January 18th at 6:56 am |
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| Mostly Cloudy |
| Temperature: | 50°F |
Dew Point: | 48°F |
| Barometer: | 30.18 inHg |
Wind: | calm |
| Humidity: | 93.5% |
Visibility: | 0M |
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| South San Francisco Weather Forecast Summary |
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Today
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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Thursday
Jan 22nd
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Cloudy |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
Cloudy |
66°F
|
67°F
52°F |
67°F
51°F |
66°F
52°F |
64°F
52°F |
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| South San Francisco Detailed Weather Forecast |
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| Sunday, January 18th, 2026 |
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Morning |
Temperature: 62°F |
| Cloudy. |
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Afternoon |
Temperature: 62°F |
| Cloudy. |
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Evening |
Temperature: 55°F |
| A mix of cloudy and clear skies. |
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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 |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 63°F |
| Sunny. |
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Evening |
Temperature: 55°F |
| A mix of cloudy and clear skies. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy. |
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Morning |
Temperature: 62°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 63°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 55°F |
| Cloudy. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy. |
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Morning |
Temperature: 62°F |
| Cloudy. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 56°F |
| Cloudy. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 52°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 60°F |
| Cloudy. |
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Afternoon |
Temperature: 60°F |
| Sunny. |
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Evening |
Temperature: 53°F |
| Clear. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 50°F |
| Clear. |
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Morning |
Temperature: 61°F |
| Sunny. |
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Afternoon |
Temperature: 62°F |
| Sunny. |
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Evening |
Temperature: 54°F |
| Clear. |
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| Saturday, January 24th, 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: 62°F |
| Sunny. |
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Evening |
Temperature: 55°F |
| A mix of cloudy and clear skies. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 51°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 60°F |
| Cloudy. |
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Afternoon |
Temperature: 59°F |
| A mix of sun and cloud. |
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Evening |
Temperature: 53°F |
| Clear. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: 50°F |
| Cloudy. |
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Morning |
Temperature: 59°F |
| Cloudy. |
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Afternoon |
Temperature: 59°F |
| Cloudy. |
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Evening |
Temperature: 54°F |
| Cloudy. |
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