Guayama Municipio, PR — every free forecast we can get, averaged to be a little more right. County seat of Guayama Municipio.
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 89° Low 77° Rain 53%
They disagree — a coin flip (highs spread 4°, rain spread 70 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 78° | 30% |
| US model (GFS) | 87° | 76° | 42% |
| European model (ECMWF) | 90° | 78° | 100% |
| German model (ICON) | 87° | 77° | 60% |
| Canadian model (GEM) | 90° | 77° | 33% |
| The average | 89° | 77° | 53% |
High 87° Low 78° Rain 62%
They disagree — a coin flip (highs spread 4°, rain spread 62 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 87° | 78° | 50% |
| US model (GFS) | 86° | 77° | 39% |
| European model (ECMWF) | 89° | 78° | 94% |
| German model (ICON) | 87° | 80° | 33% |
| Canadian model (GEM) | 85° | 78° | 95% |
| The average | 87° | 78° | 62% |
High 86° Low 78° Rain 64%
They disagree — a coin flip (highs spread 2°, rain spread 62 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 86° | 77° | 50% |
| US model (GFS) | 86° | 77° | 48% |
| European model (ECMWF) | 87° | 78° | 96% |
| German model (ICON) | 86° | 81° | 34% |
| Canadian model (GEM) | 84° | 78° | 93% |
| The average | 86° | 78° | 64% |
High 87° Low 75° Rain 10%
Pretty close — fairly safe (highs spread 3°, rain spread 10 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 87° | 75° | 6% |
| US model (GFS) | 87° | 75° | 4% |
| European model (ECMWF) | 89° | 75° | 14% |
| German model (ICON) | 87° | 77° | 13% |
| Canadian model (GEM) | 86° | 74° | 14% |
| The average | 87° | 75° | 10% |
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.