Currently: 57 °F. Mostly cloudy. (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
Scroll right to see more
| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jan 21 |  | 70 / 55 °F | Sprinkles. Overcast. | 69 °F | 4 mph | ↑ | 73% | 46% | 0.06" | 3 (Moderate) | 7:26 am | 5:59 pm |
| Thu Jan 22 |  | 72 / 55 °F | Overcast. | 76 °F | 6 mph | ↑ | 58% | 2% | 0.00" | 0 (Low) | 7:26 am | 6:00 pm |
| Fri Jan 23 |  | 71 / 37 °F | Isolated tstorms. Overcast. | 73 °F | 10 mph | ↑ | 73% | 74% | 0.25" | 0 (Low) | 7:26 am | 6:01 pm |
| Sat Jan 24 |  | 38 / 23 °F | Icy mix. Overcast. | 12 °F | 18 mph | ↑ | 87% | 62% | 0.20" | 0 (Low) | 7:25 am | 6:02 pm |
| Sun Jan 25 |  | 36 / 22 °F | Light snow early. Overcast. | 25 °F | 15 mph | ↑ | 67% | 50% | 0.08" | 3 (Moderate) | 7:25 am | 6:03 pm |
| Mon Jan 26 |  | 37 / 19 °F | Partly cloudy. | 27 °F | 13 mph | ↑ | 56% | 0% | 0.00" | 3 (Moderate) | 7:24 am | 6:04 pm |
| Tue Jan 27 |  | 45 / 14 °F | Sunny. | 40 °F | 6 mph | ↑ | 28% | 0% | 0.00" | 3 (Moderate) | 7:24 am | 6:05 pm |
| Wed Jan 28 | | 53 / 35 °F | Sprinkles. Overcast. | 53 °F | 2 mph | ↑ | 81% | 44% | 0.02" | 0 (Low) | 7:23 am | 6:05 pm |
| Thu Jan 29 | | 59 / 39 °F | Mostly cloudy. | 57 °F | 11 mph | ↑ | 32% | 3% | 0.00" | 3 (Moderate) | 7:23 am | 6:06 pm |
| Fri Jan 30 | | 59 / 41 °F | Sprinkles late. Overcast. | 59 °F | 5 mph | ↑ | 63% | 55% | 0.06" | 0 (Low) | 7:22 am | 6:07 pm |
| Sat Jan 31 | | 53 / 41 °F | Sprinkles early. Cloudy. | 47 °F | 22 mph | ↑ | 65% | 41% | 0.01" | 3 (Moderate) | 7:22 am | 6:08 pm |
| Sun Feb 1 |  | 50 / 34 °F | Scattered clouds. | 46 °F | 11 mph | ↑ | 21% | 2% | 0.00" | 3 (Moderate) | 7:21 am | 6:09 pm |
| Mon Feb 2 | | 51 / 32 °F | Overcast. | 46 °F | 12 mph | ↑ | 23% | 6% | 0.00" | 3 (Moderate) | 7:21 am | 6:10 pm |
| Tue Feb 3 | | 52 / 32 °F | Decreasing cloudiness. | 47 °F | 10 mph | ↑ | 64% | 6% | 0.00" | 3 (Moderate) | 7:20 am | 6:10 pm |
| Wed Feb 4 | | 57 / 35 °F | Sprinkles late. Increasing cloudiness. | 55 °F | 9 mph | ↑ | 67% | 50% | 0.02" | 3 (Moderate) | 7:19 am | 6:11 pm |
| * Updated Wednesday, January 21, 2026 3:24:03 am San Marcos time - Weather by CustomWeather, © 2026 | ||||||||||||