Montesano, WA — every free forecast we can get, averaged to be a little more right. County seat of Grays Harbor 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 59° Low 51° Rain 38%
They disagree — a coin flip (highs spread 3°, rain spread 70 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 51° | 87% |
| US model (GFS) | 61° | 52° | 17% |
| German model (ICON) | 60° | 50° | 18% |
| Canadian model (GEM) | 58° | 49° | 32% |
| The average | 59° | 51° | 38% |
High 57° Low 50° Rain 94%
Pretty close — fairly safe (highs spread 2°, rain spread 17 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 48° | 100% |
| US model (GFS) | 56° | 50° | 83% |
| German model (ICON) | 56° | 51° | 98% |
| Canadian model (GEM) | 57° | 50° | 97% |
| The average | 57° | 50° | 94% |
High 55° Low 48° Rain 100%
They agree — trust it (highs spread 2°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 56° | 49° | 100% |
| US model (GFS) | 55° | 48° | 100% |
| German model (ICON) | 54° | 48° | 100% |
| Canadian model (GEM) | 54° | 49° | 100% |
| The average | 55° | 48° | 100% |
High 55° Low 44° Rain 100%
They agree — trust it (highs spread 1°, rain spread 1 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 43° | 99% |
| US model (GFS) | 54° | 42° | 100% |
| German model (ICON) | 54° | 45° | 99% |
| Canadian model (GEM) | 55° | 48° | 100% |
| The average | 55° | 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.