Currently: 55 °F. Clear. (Weather station: San Marcos Municipal Airport, USA). See more current weather
Past Weather in San Marcos — Graph
San Marcos Temperature Yesterday
Maximum temperature yesterday: 72 °F (at 2:56 pm)
Minimum temperature yesterday: 58 °F (at 10:56 pm)
Average temperature yesterday: 64 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 73 °F (Jan 21, 3:56 pm) | 100% (Jan 21, 7:56 am) | 30.73 "Hg (Jan 21, 7:56 am) |
| Low | 18 °F (Jan 27, 6:56 am) | 28% (Jan 31, 5:56 pm) | 29.96 "Hg (Jan 23, 3:56 pm) |
| Average | 46 °F | 73% | 30.26 "Hg |
| * Reported Jan 20 12:56 am — Feb 4 12:56 am, San Marcos. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
San Marcos Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:56 am Wed, Feb 4 |
|
55 °F | Clear. | 16 mph | ↑ | 51% | 30.23 "Hg | 10 mi |
| 11:56 pm Tue, Feb 3 |
|
58 °F | Clear. | 20 mph | ↑ | 51% | 30.22 "Hg | 10 mi |
| 10:56 pm |
|
58 °F | Clear. | 8 mph | ↑ | 78% | 30.19 "Hg | 10 mi |
| 9:56 pm |
|
60 °F | Clear. | 10 mph | ↑ | 75% | 30.16 "Hg | 10 mi |
| 8:56 pm |
|
62 °F | Clear. | 14 mph | ↑ | 73% | 30.14 "Hg | 10 mi |
| 7:56 pm |
|
61 °F | Clear. | 8 mph | ↑ | 72% | 30.12 "Hg | 10 mi |
| 6:56 pm |
|
65 °F | Clear. | 7 mph | ↑ | 66% | 30.10 "Hg | 10 mi |
| 5:56 pm |
|
69 °F | Sunny. | 9 mph | ↑ | 59% | 30.09 "Hg | 10 mi |
| 4:56 pm |
|
72 °F | Passing clouds. | 9 mph | ↑ | 55% | 30.07 "Hg | 10 mi |
| 4:43 pm |
|
72 °F | Passing clouds. | 8 mph | ↑ | 57% | 30.09 "Hg | 10 mi |
| 3:56 pm |
|
72 °F | Sunny. | 7 mph | ↑ | 57% | 30.07 "Hg | 10 mi |
| 2:56 pm |
|
72 °F | Partly sunny. | 12 mph | ↑ | 59% | 30.07 "Hg | 10 mi |
| 1:56 pm |
|
71 °F | Overcast. | 12 mph | ↑ | 61% | 30.09 "Hg | 10 mi |
| 12:56 pm |
|
71 °F | Overcast. | 12 mph | ↑ | 63% | 30.10 "Hg | 10 mi |
| 11:56 am |
|
67 °F | Overcast. | 13 mph | ↑ | 71% | 30.14 "Hg | 10 mi |
| 10:56 am |
|
64 °F | Overcast. | 13 mph | ↑ | 81% | 30.15 "Hg | 10 mi |
| 9:56 am |
|
62 °F | Overcast. | 13 mph | ↑ | 86% | 30.15 "Hg | 10 mi |
| 8:56 am |
|
62 °F | Overcast. | 15 mph | ↑ | 86% | 30.13 "Hg | 10 mi |
| 7:56 am |
|
62 °F | Overcast. | 12 mph | ↑ | 86% | 30.11 "Hg | 10 mi |
| 6:56 am |
|
62 °F | Overcast. | 17 mph | ↑ | 86% | 30.09 "Hg | 10 mi |
| 5:56 am |
|
62 °F | Overcast. | 16 mph | ↑ | 86% | 30.08 "Hg | 10 mi |
| 4:56 am |
|
62 °F | Overcast. | 15 mph | ↑ | 86% | 30.08 "Hg | 10 mi |
| 3:56 am |
|
62 °F | Overcast. | 13 mph | ↑ | 86% | 30.09 "Hg | 10 mi |
| 2:56 am |
|
62 °F | Overcast. | 13 mph | ↑ | 86% | 30.10 "Hg | 10 mi |
| 1:56 am |
|
61 °F | Overcast. | 17 mph | ↑ | 90% | 30.11 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||