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 San Ysidro Weather Forecast Summary |
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Today
Jan 6th
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Wednesday
Jan 7th
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Thursday
Jan 8th
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Friday
Jan 9th
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Saturday
Jan 10th
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Cloudy |
Showers |
Cloudy |
Sunny |
Sunny |
59°F
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59°F
45°F |
52°F
39°F |
42°F
30°F |
40°F
28°F |
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| San Ysidro Detailed Weather Forecast |
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| Wednesday, January 7th, 2026 |
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Overnight |
Temperature: 48°F |
| Cloudy. |
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Morning |
Temperature: 58°F |
| Cloudy. |
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Afternoon |
Temperature: 47°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 45°F |
| Cloudy with showers likely. Windy. |
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| Thursday, January 8th, 2026 |
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Overnight |
Temperature: 42°F |
| Clear with cloudy periods with a chance of showers. Wind 20 to 30 mph. |
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Morning |
Temperature: 50°F |
| Sunny with cloudy periods. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 48°F |
| Sunny. Windy. |
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Evening |
Temperature: 41°F |
| Cloudy. Wind 20 to 30 mph. |
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| Friday, January 9th, 2026 |
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Overnight |
Temperature: 36°F |
| Clear. Windy. |
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Morning |
Temperature: 40°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 37°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 31°F |
| Clear. |
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| Saturday, January 10th, 2026 |
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Overnight |
Temperature: 28°F |
| Clear. |
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Morning |
Temperature: 38°F |
| Sunny. |
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Afternoon |
Temperature: 36°F |
| Sunny. |
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Evening |
Temperature: 32°F |
| Clear. |
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| Sunday, January 11th, 2026 |
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Overnight |
Temperature: 32°F |
| Clear. |
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Morning |
Temperature: 44°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 42°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 38°F |
| Cloudy. |
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| Monday, January 12th, 2026 |
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Overnight |
Temperature: 38°F |
| Cloudy. |
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Morning |
Temperature: 48°F |
| Cloudy. |
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Afternoon |
Temperature: 47°F |
| Cloudy. |
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Evening |
Temperature: 42°F |
| A mix of cloudy and clear skies. |
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| Tuesday, January 13th, 2026 |
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Overnight |
Temperature: 40°F |
| Clear. |
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Morning |
Temperature: 50°F |
| Sunny. |
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Afternoon |
Temperature: 48°F |
| Sunny. |
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Evening |
Temperature: 42°F |
| Clear. |
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| Wednesday, January 14th, 2026 |
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Overnight |
Temperature: 38°F |
| Clear. |
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Morning |
Temperature: 47°F |
| Sunny. |
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Afternoon |
Temperature: 46°F |
| Sunny. |
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Evening |
Temperature: 39°F |
| Clear. |
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