Ephrata, WA — every free forecast we can get, averaged to be a little more right. County seat of Grant 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 51° Low 42° Rain 2%
They disagree — a coin flip (highs spread 7°, rain spread 5 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 40° | 3% |
| US model (GFS) | 48° | 43° | 0% |
| German model (ICON) | 51° | 42° | 0% |
| Canadian model (GEM) | 51° | 41° | 5% |
| The average | 51° | 42° | 2% |
High 57° Low 42° Rain 46%
They disagree — a coin flip (highs spread 8°, rain spread 30 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 61° | 40° | 46% |
| US model (GFS) | 53° | 43° | 27% |
| German model (ICON) | 59° | 45° | 55% |
| Canadian model (GEM) | 56° | 41° | 57% |
| The average | 57° | 42° | 46% |
High 56° Low 41° Rain 30%
They disagree — a coin flip (highs spread 0°, rain spread 66 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 56° | 40° | 73% |
| US model (GFS) | 56° | 42° | 28% |
| German model (ICON) | 56° | 44° | 11% |
| Canadian model (GEM) | 56° | 36° | 7% |
| The average | 56° | 41° | 30% |
High 51° Low 42° Rain 81%
Pretty close — fairly safe (highs spread 4°, rain spread 26 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 38° | 73% |
| US model (GFS) | 49° | 43° | 70% |
| German model (ICON) | 51° | 47° | 84% |
| Canadian model (GEM) | 53° | 41° | 96% |
| The average | 51° | 42° | 81% |
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.