Port Lavaca, TX — every free forecast we can get, averaged to be a little more right. County seat of Calhoun County.
Updated Friday, November 13, 2026. Recorded fresh this morning from five free sources, and graded later against what the weather actually did.
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High 77° Low 58° Rain 4%
Pretty close — fairly safe (highs spread 5°, rain spread 14 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 55° | 0% |
| US model (GFS) | 79° | 60° | 0% |
| European model (ECMWF) | 78° | 60° | 6% |
| German model (ICON) | 77° | 60° | 0% |
| Canadian model (GEM) | 75° | 56° | 14% |
| The average | 77° | 58° | 4% |
High 76° Low 55° Rain 0%
Pretty close — fairly safe (highs spread 5°, rain spread 2 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 73° | 61° | 2% |
| US model (GFS) | 78° | 54° | 0% |
| European model (ECMWF) | 77° | 55° | 0% |
| German model (ICON) | 77° | 56° | 0% |
| Canadian model (GEM) | 76° | 50° | 0% |
| The average | 76° | 55° | 0% |
High 74° Low 63° Rain 53%
They disagree — a coin flip (highs spread 8°, rain spread 81 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 71° | 65° | 45% |
| US model (GFS) | 71° | 62° | 44% |
| European model (ECMWF) | 76° | 63° | 96% |
| German model (ICON) | 74° | 64° | 63% |
| Canadian model (GEM) | 80° | 60° | 15% |
| The average | 74° | 63° | 53% |
High 75° Low 63° Rain 78%
They disagree — a coin flip (highs spread 7°, rain spread 35 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 73° | 59° | 78% |
| US model (GFS) | 77° | 67° | 56% |
| European model (ECMWF) | 72° | 61° | 91% |
| German model (ICON) | 74° | 61° | 84% |
| Canadian model (GEM) | 79° | 65° | 82% |
| The average | 75° | 63° | 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.