 |
 Current San Marcos Weather Conditions |
Updated July 13th at 8:45 am |
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| Overcast |
| Temperature: | 81°F |
Dew Point: | 77°F |
| Barometer: | 30.12 inHg |
Wind: | N 9 Mph |
| Humidity: | 88.8% |
Visibility: | 0M |
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| San Marcos Weather Forecast Summary |
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Today
Jul 13th
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Tuesday
Jul 14th
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Wednesday
Jul 15th
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Thursday
Jul 16th
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Friday
Jul 17th
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Thundershowers |
Thundershowers |
Mostly Cloudy |
Showers |
Thundershowers |
95°F
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80°F
72°F |
73°F
70°F |
72°F
69°F |
89°F
69°F |
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| San Marcos Detailed Weather Forecast |
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| Monday, July 13th, 2026 |
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Morning |
Temperature: 80°F |
| A mix of cloud and sun with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 92°F |
| A mix of cloud and sun. Chance of a thunderstorm. |
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Evening |
Temperature: 82°F |
| Mostly cloudy with showers. Chance of a thunderstorm. Windy at times. |
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| Tuesday, July 14th, 2026 |
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Overnight |
Temperature: 73°F |
| Mostly cloudy with showers. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 73°F |
| Cloudy with showers likely. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 77°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 74°F |
| Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times. |
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| Wednesday, July 15th, 2026 |
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Overnight |
Temperature: 72°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 71°F |
| Mostly cloudy with a chance of showers. |
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Afternoon |
Temperature: 72°F |
| Mostly cloudy with a chance of showers. |
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Evening |
Temperature: 72°F |
| Mostly cloudy. |
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| Thursday, July 16th, 2026 |
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Overnight |
Temperature: 70°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 70°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 72°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 71°F |
| A mix of cloudy and clear skies. |
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| Friday, July 17th, 2026 |
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Overnight |
Temperature: 70°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 73°F |
| Mostly cloudy with showers likely. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 87°F |
| A mix of cloud and sun with a chance of showers or thundershowers. |
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Evening |
Temperature: 81°F |
| Mostly clear with a chance of showers or thundershowers. |
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| Saturday, July 18th, 2026 |
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Overnight |
Temperature: 73°F |
| Mostly clear with a chance of showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 76°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 86°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 80°F |
| Clear. Chance of a thunderstorm. |
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| Sunday, July 19th, 2026 |
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Overnight |
Temperature: 72°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 77°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 90°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 79°F |
| Clear with cloudy periods with a slight chance of showers or thundershowers. Windy at times. |
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| Monday, July 20th, 2026 |
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Overnight |
Temperature: 71°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 77°F |
| Sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 92°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 82°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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| Tuesday, July 21st, 2026 |
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Overnight |
Temperature: 74°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Mostly sunny. |
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Afternoon |
Temperature: 92°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 82°F |
| Clear. Slight chance of a thunderstorm. Windy at times. |
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