Portland, ME — every free forecast we can get, averaged to be a little more right. County seat of Cumberland 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 37° Rain 45%
They disagree — a coin flip (highs spread 2°, rain spread 50 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 34° | 69% |
| US model (GFS) | 46° | 38° | 19% |
| European model (ECMWF) | 45° | 38° | 37% |
| German model (ICON) | 44° | 38° | 48% |
| Canadian model (GEM) | 45° | 36° | 52% |
| The average | 45° | 37° | 45% |
High 44° Low 35° Rain 46%
They disagree — a coin flip (highs spread 2°, rain spread 37 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 44° | 33° | 62% |
| US model (GFS) | 44° | 35° | 25% |
| European model (ECMWF) | 46° | 36° | 25% |
| German model (ICON) | 44° | 36° | 55% |
| Canadian model (GEM) | 44° | 36° | 62% |
| The average | 44° | 35° | 46% |
High 45° Low 32° Rain 6%
They agree — trust it (highs spread 1°, rain spread 10 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 46° | 33° | 4% |
| US model (GFS) | 46° | 32° | 10% |
| European model (ECMWF) | 45° | 34° | 10% |
| German model (ICON) | 45° | 32° | 0% |
| Canadian model (GEM) | 45° | 28° | 5% |
| The average | 45° | 32° | 6% |
High 47° Low 34° Rain 1%
They agree — trust it (highs spread 2°, rain spread 3 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 48° | 32° | 3% |
| US model (GFS) | 46° | 34° | 1% |
| European model (ECMWF) | 46° | 36° | 1% |
| German model (ICON) | 46° | 33° | 0% |
| Canadian model (GEM) | 47° | 35° | 2% |
| The average | 47° | 34° | 1% |
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.