San Marcos, TX — every free forecast we can get, averaged to be a little more right. County seat of Hays County.
Updated Friday, November 13, 2026. Recorded fresh this morning from five free sources, and graded later against what the weather actually did.
← All cities and the scoreboard
High 77° Low 55° Rain 0%
They agree — trust it (highs spread 3°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 52° | 0% |
| US model (GFS) | 79° | 57° | 0% |
| European model (ECMWF) | 77° | 57° | 0% |
| German model (ICON) | 76° | 55° | 0% |
| Canadian model (GEM) | 77° | 54° | 0% |
| The average | 77° | 55° | 0% |
High 78° Low 53° Rain 0%
Pretty close — fairly safe (highs spread 3°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 76° | 51° | 0% |
| US model (GFS) | 78° | 53° | 0% |
| European model (ECMWF) | 79° | 56° | 0% |
| German model (ICON) | 77° | 50° | 0% |
| Canadian model (GEM) | 79° | 53° | 0% |
| The average | 78° | 53° | 0% |
High 69° Low 52° Rain 65%
They disagree — a coin flip (highs spread 12°, rain spread 42 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 68° | 55° | 60% |
| US model (GFS) | 65° | 52° | 49% |
| European model (ECMWF) | 70° | 52° | 91% |
| German model (ICON) | 65° | 54° | 74% |
| Canadian model (GEM) | 77° | 49° | 51% |
| The average | 69° | 52° | 65% |
High 69° Low 54° Rain 78%
They disagree — a coin flip (highs spread 7°, rain spread 37 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 67° | 51° | 77% |
| US model (GFS) | 73° | 58° | 57% |
| European model (ECMWF) | 66° | 53° | 94% |
| German model (ICON) | 71° | 55° | 78% |
| Canadian model (GEM) | 69° | 54° | 86% |
| The average | 69° | 54° | 78% |
Scoring has started — every forecast is being recorded. The first grades land once the historical record publishes what actually happened (it runs a few days behind), and this board fills in from there.