Shelton, WA — every free forecast we can get, averaged to be a little more right. County seat of Mason 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 58° Low 49° Rain 20%
They disagree — a coin flip (highs spread 3°, rain spread 65 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 60° | 48° | 65% |
| US model (GFS) | 59° | 50° | 6% |
| German model (ICON) | 57° | 50° | 10% |
| Canadian model (GEM) | 57° | 48° | 0% |
| The average | 58° | 49° | 20% |
High 55° Low 48° Rain 78%
They disagree — a coin flip (highs spread 2°, rain spread 39 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 46° | 97% |
| US model (GFS) | 55° | 49° | 58% |
| German model (ICON) | 55° | 49° | 88% |
| Canadian model (GEM) | 54° | 48° | 67% |
| The average | 55° | 48° | 78% |
High 54° Low 47° Rain 99%
They agree — trust it (highs spread 1°, rain spread 5 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 54° | 47° | 100% |
| US model (GFS) | 54° | 48° | 100% |
| German model (ICON) | 54° | 47° | 100% |
| Canadian model (GEM) | 55° | 48° | 95% |
| The average | 54° | 47° | 99% |
High 54° Low 44° Rain 100%
They agree — trust it (highs spread 2°, rain spread 1 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 53° | 40° | 99% |
| US model (GFS) | 55° | 44° | 100% |
| German model (ICON) | 54° | 45° | 100% |
| Canadian model (GEM) | 54° | 46° | 100% |
| The average | 54° | 44° | 100% |
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.