Dayton, WA — every free forecast we can get, averaged to be a little more right. County seat of Columbia County.
Updated Friday, November 13, 2026. Recorded fresh this morning from five free sources, and graded later against what the weather actually did.
← All cities and the scoreboard
High 58° Low 44° Rain 0%
Pretty close — fairly safe (highs spread 3°, rain spread 1 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 46° | 1% |
| US model (GFS) | 59° | 42° | 0% |
| German model (ICON) | 60° | 46° | 0% |
| Canadian model (GEM) | 56° | 42° | 0% |
| The average | 58° | 44° | 0% |
High 65° Low 45° Rain 42%
They disagree — a coin flip (highs spread 4°, rain spread 53 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 67° | 42° | 68% |
| US model (GFS) | 63° | 46° | 33% |
| German model (ICON) | 67° | 49° | 53% |
| Canadian model (GEM) | 64° | 44° | 15% |
| The average | 65° | 45° | 42% |
High 57° Low 44° Rain 33%
They disagree — a coin flip (highs spread 2°, rain spread 35 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 41° | 21% |
| US model (GFS) | 57° | 42° | 46% |
| German model (ICON) | 57° | 49° | 50% |
| Canadian model (GEM) | 59° | 44° | 15% |
| The average | 57° | 44° | 33% |
High 55° Low 44° Rain 63%
They disagree — a coin flip (highs spread 7°, rain spread 32 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 56° | 39° | 75% |
| US model (GFS) | 51° | 47° | 61% |
| German model (ICON) | 56° | 47° | 74% |
| Canadian model (GEM) | 58° | 45° | 43% |
| The average | 55° | 44° | 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.