Currently: 69 °F. Sunny. (Weather station: San Marcos Municipal Airport, USA). See more current weatherHour-by-hour Forecast in San Marcos — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 11:00 am Sat, Mar 21 |  | 74 °F | Mostly sunny. | 77 °F | 12 mph | ↑ | 58% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 80 °F | Sunny. | 80 °F | 13 mph | ↑ | 49% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 83 °F | Sunny. | 83 °F | 15 mph | ↑ | 43% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 87 °F | Sunny. | 86 °F | 15 mph | ↑ | 37% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 90 °F | Sunny. | 89 °F | 15 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 92 °F | Sunny. | 90 °F | 15 mph | ↑ | 30% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 93 °F | Sunny. | 90 °F | 14 mph | ↑ | 27% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 92 °F | Sunny. | 90 °F | 14 mph | ↑ | 26% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 90 °F | Sunny. | 87 °F | 13 mph | ↑ | 27% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm |  | 85 °F | Clear. | 83 °F | 13 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 78 °F | Clear. | 79 °F | 13 mph | ↑ | 46% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 73 °F | Clear. | 77 °F | 13 mph | ↑ | 59% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 72 °F | Clear. | 76 °F | 12 mph | ↑ | 63% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Sun, Mar 22 | | 69 °F | Clear. | 69 °F | 10 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am |  | 66 °F | Mostly clear. | 66 °F | 9 mph | ↑ | 80% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am |  | 66 °F | Scattered clouds. | 66 °F | 9 mph | ↑ | 80% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 65 °F | Partly cloudy. | 65 °F | 9 mph | ↑ | 81% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 64 °F | Partly cloudy. | 64 °F | 10 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 63 °F | Partly cloudy. | 63 °F | 10 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 63 °F | Partly cloudy. | 63 °F | 10 mph | ↑ | 85% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 62 °F | Partly cloudy. | 62 °F | 11 mph | ↑ | 85% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am |  | 62 °F | Partly cloudy. | 62 °F | 13 mph | ↑ | 86% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 63 °F | Partly cloudy. | 63 °F | 15 mph | ↑ | 85% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 67 °F | Partly cloudy. | 67 °F | 17 mph | ↑ | 76% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Saturday, March 21, 2026 8:42:39 am San Marcos time - Weather by CustomWeather, © 2026 | |||||||||