Mayville, NY — every free forecast we can get, averaged to be a little more right. County seat of Chautauqua 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 45° Low 35° Rain 82%
They disagree — a coin flip (highs spread 3°, rain spread 72 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 29° | 28% |
| US model (GFS) | 44° | 34° | 83% |
| European model (ECMWF) | 44° | 38° | 100% |
| German model (ICON) | 45° | 36° | 98% |
| Canadian model (GEM) | 47° | 37° | 100% |
| The average | 45° | 35° | 82% |
High 38° Low 33° Rain 57%
They disagree — a coin flip (highs spread 4°, rain spread 77 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 39° | 29° | 58% |
| US model (GFS) | 35° | 32° | 21% |
| European model (ECMWF) | 39° | 35° | 98% |
| German model (ICON) | 37° | 34° | 65% |
| Canadian model (GEM) | 37° | 34° | 43% |
| The average | 38° | 33° | 57% |
High 40° Low 33° Rain 76%
They disagree — a coin flip (highs spread 3°, rain spread 41 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 42° | 30° | 64% |
| US model (GFS) | 39° | 34° | 59% |
| European model (ECMWF) | 40° | 35° | 100% |
| German model (ICON) | 41° | 34° | 88% |
| Canadian model (GEM) | 39° | 34° | 67% |
| The average | 40° | 33° | 76% |
High 40° Low 34° Rain 63%
They disagree — a coin flip (highs spread 5°, rain spread 65 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 43° | 30° | 60% |
| US model (GFS) | 38° | 35° | 59% |
| European model (ECMWF) | 40° | 36° | 99% |
| German model (ICON) | 39° | 36° | 64% |
| Canadian model (GEM) | 39° | 35° | 34% |
| The average | 40° | 34° | 63% |
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.