Decatur, IN — every free forecast we can get, averaged to be a little more right. County seat of Adams 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 48° Low 39° Rain 84%
They disagree — a coin flip (highs spread 2°, rain spread 39 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 34° | 61% |
| US model (GFS) | 48° | 41° | 76% |
| European model (ECMWF) | 49° | 41° | 100% |
| Canadian model (GEM) | 47° | 39° | 100% |
| The average | 48° | 39° | 84% |
High 42° Low 32° Rain 30%
They disagree — a coin flip (highs spread 2°, rain spread 47 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 42° | 27° | 18% |
| US model (GFS) | 41° | 31° | 10% |
| European model (ECMWF) | 43° | 34° | 57% |
| Canadian model (GEM) | 41° | 34° | 37% |
| The average | 42° | 32° | 30% |
High 44° Low 30° Rain 4%
Pretty close — fairly safe (highs spread 4°, rain spread 9 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 45° | 34° | 9% |
| US model (GFS) | 45° | 31° | 5% |
| European model (ECMWF) | 45° | 28° | 0% |
| Canadian model (GEM) | 42° | 25° | 0% |
| The average | 44° | 30° | 4% |
High 46° Low 35° Rain 5%
They agree — trust it (highs spread 2°, rain spread 13 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 31° | 13% |
| US model (GFS) | 46° | 37° | 0% |
| European model (ECMWF) | 45° | 39° | 2% |
| Canadian model (GEM) | 45° | 32° | 5% |
| The average | 46° | 35° | 5% |
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.