 |
 San Marcos Weather Forecast Summary |
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Today
Jan 9th
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Saturday
Jan 10th
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Sunday
Jan 11th
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Monday
Jan 12th
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Tuesday
Jan 13th
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Cloudy |
Sunny |
Sunny |
Mix of Cloud and Sun |
Sunny |
63°F
|
68°F
46°F |
75°F
51°F |
76°F
54°F |
76°F
56°F |
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| San Marcos Detailed Weather Forecast |
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| Friday, January 9th, 2026 |
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Afternoon |
Temperature: 55°F |
| Mostly sunny. |
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Evening |
Temperature: 48°F |
| Clear. |
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| Saturday, January 10th, 2026 |
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Overnight |
Temperature: 46°F |
| Clear. |
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Morning |
Temperature: 65°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 59°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 52°F |
| Clear. Windy at times. |
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| Sunday, January 11th, 2026 |
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Overnight |
Temperature: 52°F |
| Clear. |
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Morning |
Temperature: 71°F |
| Sunny. |
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Afternoon |
Temperature: 64°F |
| Sunny. |
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Evening |
Temperature: 56°F |
| Clear. |
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| Monday, January 12th, 2026 |
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Overnight |
Temperature: 55°F |
| Clear. |
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Morning |
Temperature: 72°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 66°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 57°F |
| Clear. |
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| Tuesday, January 13th, 2026 |
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Overnight |
Temperature: 56°F |
| Clear. |
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Morning |
Temperature: 73°F |
| Sunny. |
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Afternoon |
Temperature: 67°F |
| Sunny. |
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Evening |
Temperature: 60°F |
| Clear. |
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| Wednesday, January 14th, 2026 |
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Overnight |
Temperature: 58°F |
| Clear. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 70°F |
| Sunny. |
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Evening |
Temperature: 62°F |
| Clear. |
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| Thursday, January 15th, 2026 |
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Overnight |
Temperature: 60°F |
| Clear. |
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Morning |
Temperature: 74°F |
| Sunny. |
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Afternoon |
Temperature: 69°F |
| Sunny. |
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Evening |
Temperature: 59°F |
| Clear. |
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| Friday, January 16th, 2026 |
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Overnight |
Temperature: 56°F |
| Mostly clear. |
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Morning |
Temperature: 70°F |
| Sunny. |
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Afternoon |
Temperature: 66°F |
| Sunny. |
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Evening |
Temperature: 58°F |
| Clear. |
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