Currently: 63 °F. Clear. (Weather station: San Marcos Municipal Airport, USA). See more current weatherSan Marcos Extended Forecast with high and low temperatures
2 Week Extended Forecast in San Marcos, Texas, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jan 21 |  | 74 / 54 °F | Sprinkles early. Cloudy. | 76 °F | 6 mph | ↑ | 61% | 55% | 0.01" | 3 (Moderate) | 7:26 am | 5:59 pm |
| Thu Jan 22 |  | 71 / 54 °F | Overcast. | 76 °F | 6 mph | ↑ | 56% | 0% | 0.00" | 3 (Moderate) | 7:26 am | 6:00 pm |
| Fri Jan 23 |  | 71 / 51 °F | Isolated tstorms. Overcast. | 73 °F | 9 mph | ↑ | 74% | 78% | 0.51" | 0 (Low) | 7:26 am | 6:01 pm |
| Sat Jan 24 | | 52 / 30 °F | Light rain. Overcast. | 27 °F | 18 mph | ↑ | 86% | 85% | 0.47" | 0 (Low) | 7:25 am | 6:02 pm |
| Sun Jan 25 |  | 33 / 23 °F | Icy mix. Cloudy. | 21 °F | 16 mph | ↑ | 81% | 74% | 0.28" | 3 (Moderate) | 7:25 am | 6:03 pm |
| Mon Jan 26 |  | 37 / 20 °F | Partly cloudy. | 27 °F | 13 mph | ↑ | 66% | 0% | 0.00" | 3 (Moderate) | 7:24 am | 6:04 pm |
| Tue Jan 27 | | 43 / 24 °F | Cloudy. | 41 °F | 3 mph | ↑ | 86% | 0% | 0.00" | 0 (Low) | 7:24 am | 6:05 pm |
| Wed Jan 28 |  | 65 / 41 °F | Scattered clouds. | 65 °F | 5 mph | ↑ | 52% | 3% | 0.00" | 3 (Moderate) | 7:23 am | 6:05 pm |
| Thu Jan 29 |  | 68 / 43 °F | Showers late. Overcast. | 68 °F | 7 mph | ↑ | 74% | 56% | 0.13" | 3 (Moderate) | 7:23 am | 6:06 pm |
| Fri Jan 30 | | 67 / 48 °F | Rain showers. Overcast. | 65 °F | 12 mph | ↑ | 93% | 83% | 0.69" | 3 (Moderate) | 7:22 am | 6:07 pm |
| Sat Jan 31 |  | 70 / 40 °F | Sunny. | 53 °F | 21 mph | ↑ | 33% | 5% | 0.00" | 3 (Moderate) | 7:22 am | 6:08 pm |
| Sun Feb 1 | | 72 / 33 °F | Afternoon clouds. | 57 °F | 7 mph | ↑ | 32% | 4% | 0.00" | 0 (Low) | 7:21 am | 6:09 pm |
| Mon Feb 2 | | 73 / 33 °F | Overcast. | 59 °F | 5 mph | ↑ | 42% | 6% | 0.00" | 3 (Moderate) | 7:21 am | 6:10 pm |
| Tue Feb 3 | | 75 / 35 °F | Overcast. | 61 °F | 4 mph | ↑ | 57% | 6% | 0.00" | 3 (Moderate) | 7:20 am | 6:10 pm |
| Wed Feb 4 | | 71 / 36 °F | Scattered tstorms late. Overcast. | 58 °F | 12 mph | ↑ | 62% | 74% | 0.33" | 0 (Low) | 7:19 am | 6:11 pm |
| * Updated Wednesday, January 21, 2026 3:24:00 pm San Marcos time - Weather by CustomWeather, © 2026 | ||||||||||||