Petersburg Borough, AK — every free forecast we can get, averaged to be a little more right. County seat of Petersburg Borough.
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 33° Low 27° Rain 85%
They disagree — a coin flip (highs spread 7°, rain spread 77 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 34° | 30° | 23% |
| US model (GFS) | 32° | 27° | 100% |
| European model (ECMWF) | 31° | 22° | 100% |
| German model (ICON) | 37° | 29° | 100% |
| Canadian model (GEM) | 30° | 26° | 100% |
| The average | 33° | 27° | 85% |
High 36° Low 30° Rain 74%
They disagree — a coin flip (highs spread 7°, rain spread 35 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 36° | 34° | 53% |
| US model (GFS) | 34° | 28° | 69% |
| European model (ECMWF) | 34° | 22° | 88% |
| German model (ICON) | 40° | 37° | 83% |
| Canadian model (GEM) | 34° | 29° | 79% |
| The average | 36° | 30° | 74% |
High 39° Low 32° Rain 79%
They disagree — a coin flip (highs spread 5°, rain spread 35 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 38° | 32° | 56% |
| US model (GFS) | 38° | 31° | 74% |
| European model (ECMWF) | 38° | 30° | 91% |
| German model (ICON) | 43° | 35° | 88% |
| Canadian model (GEM) | 39° | 33° | 87% |
| The average | 39° | 32° | 79% |
High 39° Low 31° Rain 85%
They disagree — a coin flip (highs spread 6°, rain spread 22 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 38° | 33° | 83% |
| US model (GFS) | 37° | 28° | 75% |
| European model (ECMWF) | 37° | 29° | 97% |
| German model (ICON) | 44° | 32° | 90% |
| Canadian model (GEM) | 38° | 34° | 79% |
| The average | 39° | 31° | 85% |
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.