Sumter, SC — every free forecast we can get, averaged to be a little more right. County seat of Sumter 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 75° Low 51° Rain 1%
They agree — trust it (highs spread 3°, rain spread 4 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 41° | 0% |
| US model (GFS) | 76° | 54° | 0% |
| European model (ECMWF) | 74° | 56° | 4% |
| German model (ICON) | 76° | 50° | 0% |
| Canadian model (GEM) | 75° | 54° | 2% |
| The average | 75° | 51° | 1% |
High 61° Low 42° Rain 0%
They agree — trust it (highs spread 3°, rain spread 2 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 62° | 37° | 0% |
| US model (GFS) | 59° | 44° | 2% |
| European model (ECMWF) | 60° | 46° | 0% |
| German model (ICON) | 62° | 38° | 0% |
| Canadian model (GEM) | 61° | 44° | 0% |
| The average | 61° | 42° | 0% |
High 57° Low 36° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 59° | 32° | 0% |
| US model (GFS) | 57° | 36° | 1% |
| European model (ECMWF) | 56° | 41° | 0% |
| German model (ICON) | 58° | 34° | 0% |
| Canadian model (GEM) | 57° | 37° | 0% |
| The average | 57° | 36° | 0% |
High 58° Low 32° Rain 0%
They agree — trust it (highs spread 3°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 59° | 34° | 0% |
| US model (GFS) | 57° | 35° | 0% |
| European model (ECMWF) | 56° | 36° | 0% |
| German model (ICON) | 58° | 28° | 0% |
| Canadian model (GEM) | 56° | 29° | 0% |
| The average | 58° | 32° | 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.