Jefferson, OH — every free forecast we can get, averaged to be a little more right. County seat of Ashtabula 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 47° Low 39° Rain 75%
They disagree — a coin flip (highs spread 3°, rain spread 69 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 35° | 29% |
| US model (GFS) | 48° | 40° | 56% |
| European model (ECMWF) | 49° | 41° | 98% |
| German model (ICON) | 46° | 40° | 98% |
| Canadian model (GEM) | 46° | 40° | 93% |
| The average | 47° | 39° | 75% |
High 41° Low 35° Rain 58%
They disagree — a coin flip (highs spread 2°, rain spread 56 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 40° | 34° | 70% |
| US model (GFS) | 41° | 34° | 22% |
| European model (ECMWF) | 42° | 37° | 78% |
| German model (ICON) | 41° | 36° | 55% |
| Canadian model (GEM) | 41° | 37° | 67% |
| The average | 41° | 35° | 58% |
High 43° Low 36° Rain 91%
They agree — trust it (highs spread 2°, rain spread 15 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 44° | 34° | 89% |
| US model (GFS) | 42° | 37° | 87% |
| European model (ECMWF) | 43° | 36° | 100% |
| German model (ICON) | 43° | 37° | 85% |
| Canadian model (GEM) | 42° | 37° | 95% |
| The average | 43° | 36° | 91% |
High 44° Low 38° Rain 76%
Pretty close — fairly safe (highs spread 3°, rain spread 30 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 45° | 33° | 75% |
| US model (GFS) | 43° | 41° | 76% |
| European model (ECMWF) | 42° | 39° | 94% |
| German model (ICON) | 44° | 40° | 64% |
| Canadian model (GEM) | 44° | 38° | 71% |
| The average | 44° | 38° | 76% |
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.