 |
 Current San Mateo Weather Conditions |
Updated September 18th at 11:56 am |
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| Mostly Cloudy |
| Temperature: | 68°F |
Dew Point: | 59°F |
| Barometer: | 29.86 inHg |
Wind: | N 15 Mph |
| Humidity: | 72.9% |
Visibility: | 0M |
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| San Mateo Weather Forecast Summary |
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Today
Sep 18th
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Friday
Sep 19th
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Saturday
Sep 20th
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Sunday
Sep 21st
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Monday
Sep 22nd
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 |
 |
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Cloudy |
Sunny |
Sunny |
Sunny |
Cloudy |
84°F
|
81°F
63°F |
80°F
62°F |
83°F
63°F |
88°F
65°F |
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| San Mateo Detailed Weather Forecast |
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| Thursday, September 18th, 2025 |
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Afternoon |
Temperature: 73°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 66°F |
| A mix of cloudy and clear skies. |
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| Friday, September 19th, 2025 |
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Overnight |
Temperature: 64°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Sunny. |
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Afternoon |
Temperature: 72°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 64°F |
| Clear. |
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| Saturday, September 20th, 2025 |
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Overnight |
Temperature: 63°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Sunny. |
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Afternoon |
Temperature: 73°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 65°F |
| Clear. |
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| Sunday, September 21st, 2025 |
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Overnight |
Temperature: 64°F |
| Clear. |
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Morning |
Temperature: 79°F |
| Sunny. |
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Afternoon |
Temperature: 78°F |
| Sunny. |
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Evening |
Temperature: 69°F |
| Clear. |
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| Monday, September 22nd, 2025 |
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Overnight |
Temperature: 66°F |
| Clear. |
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Morning |
Temperature: 83°F |
| Sunny. |
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Afternoon |
Temperature: 80°F |
| Sunny. |
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Evening |
Temperature: 70°F |
| Cloudy. |
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| Tuesday, September 23rd, 2025 |
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Overnight |
Temperature: 66°F |
| Cloudy. |
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Morning |
Temperature: 74°F |
| Cloudy. |
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Afternoon |
Temperature: 69°F |
| Cloudy. |
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Evening |
Temperature: 65°F |
| A mix of cloudy and clear skies. |
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| Wednesday, September 24th, 2025 |
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Overnight |
Temperature: 63°F |
| Clear. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 72°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 63°F |
| A mix of cloudy and clear skies. |
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| Thursday, September 25th, 2025 |
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Overnight |
Temperature: 61°F |
| Clear. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 72°F |
| Sunny. |
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Evening |
Temperature: 63°F |
| Clear. |
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| Friday, September 26th, 2025 |
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Overnight |
Temperature: 61°F |
| Clear. |
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Morning |
Temperature: 73°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 65°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 59°F |
| Clear. |
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