Chattanooga, TN — every free forecast we can get, averaged to be a little more right. County seat of Hamilton 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 61° Low 46° Rain 63%
They disagree — a coin flip (highs spread 3°, rain spread 93 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 36° | 7% |
| US model (GFS) | 62° | 46° | 52% |
| European model (ECMWF) | 62° | 51° | 82% |
| German model (ICON) | 61° | 48° | 73% |
| Canadian model (GEM) | 60° | 47° | 100% |
| The average | 61° | 46° | 63% |
High 50° Low 37° Rain 3%
Pretty close — fairly safe (highs spread 5°, rain spread 8 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 34° | 1% |
| US model (GFS) | 49° | 36° | 1% |
| European model (ECMWF) | 52° | 42° | 3% |
| German model (ICON) | 52° | 38° | 0% |
| Canadian model (GEM) | 48° | 35° | 8% |
| The average | 50° | 37° | 3% |
High 52° Low 34° Rain 1%
Pretty close — fairly safe (highs spread 3°, rain spread 5 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 53° | 32° | 0% |
| US model (GFS) | 51° | 34° | 0% |
| European model (ECMWF) | 52° | 36° | 0% |
| German model (ICON) | 54° | 36° | 0% |
| Canadian model (GEM) | 50° | 31° | 5% |
| The average | 52° | 34° | 1% |
High 54° Low 33° Rain 0%
Pretty close — fairly safe (highs spread 3°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 35° | 1% |
| US model (GFS) | 53° | 34° | 0% |
| European model (ECMWF) | 54° | 36° | 0% |
| German model (ICON) | 55° | 33° | 0% |
| Canadian model (GEM) | 52° | 28° | 0% |
| The average | 54° | 33° | 0% |
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.