Sherman, TX — every free forecast we can get, averaged to be a little more right. County seat of Grayson 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 74° Low 48° Rain 0%
Pretty close — fairly safe (highs spread 6°, rain spread 1 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 46° | 1% |
| US model (GFS) | 77° | 49° | 0% |
| European model (ECMWF) | 71° | 51° | 0% |
| German model (ICON) | 75° | 46° | 0% |
| Canadian model (GEM) | 75° | 47° | 0% |
| The average | 74° | 48° | 0% |
High 63° Low 45° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 64° | 44° | 1% |
| US model (GFS) | 64° | 48° | 0% |
| European model (ECMWF) | 60° | 47° | 0% |
| German model (ICON) | 64° | 45° | 0% |
| Canadian model (GEM) | 65° | 44° | 0% |
| The average | 63° | 45° | 0% |
High 60° Low 43° Rain 50%
They disagree — a coin flip (highs spread 3°, rain spread 54 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 61° | 44° | 66% |
| US model (GFS) | 61° | 41° | 30% |
| European model (ECMWF) | 58° | 43° | 70% |
| German model (ICON) | 58° | 43° | 67% |
| Canadian model (GEM) | 60° | 42° | 16% |
| The average | 60° | 43° | 50% |
High 49° Low 42° Rain 95%
They disagree — a coin flip (highs spread 6°, rain spread 14 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 43° | 92% |
| US model (GFS) | 52° | 40° | 86% |
| European model (ECMWF) | 46° | 43° | 99% |
| German model (ICON) | 46° | 42° | 99% |
| Canadian model (GEM) | 51° | 40° | 100% |
| The average | 49° | 42° | 95% |
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.