Philadelphia, PA — every free forecast we can get, averaged to be a little more right. County seat of Philadelphia 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 63° Low 48° Rain 90%
They disagree — a coin flip (highs spread 7°, rain spread 27 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 41° | 73% |
| US model (GFS) | 62° | 50° | 79% |
| European model (ECMWF) | 61° | 50° | 100% |
| German model (ICON) | 61° | 50° | 100% |
| Canadian model (GEM) | 68° | 48° | 100% |
| The average | 63° | 48° | 90% |
High 49° Low 37° Rain 92%
Pretty close — fairly safe (highs spread 4°, rain spread 22 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 46° | 36° | 89% |
| US model (GFS) | 50° | 35° | 78% |
| European model (ECMWF) | 50° | 37° | 99% |
| German model (ICON) | 50° | 39° | 95% |
| Canadian model (GEM) | 50° | 37° | 100% |
| The average | 49° | 37° | 92% |
High 46° Low 36° Rain 35%
They disagree — a coin flip (highs spread 5°, rain spread 63 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 37° | 1% |
| US model (GFS) | 45° | 35° | 23% |
| European model (ECMWF) | 47° | 36° | 23% |
| German model (ICON) | 48° | 36° | 63% |
| Canadian model (GEM) | 42° | 37° | 64% |
| The average | 46° | 36° | 35% |
High 49° Low 37° Rain 0%
Pretty close — fairly safe (highs spread 3°, rain spread 2 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 36° | 0% |
| US model (GFS) | 49° | 40° | 0% |
| European model (ECMWF) | 48° | 39° | 2% |
| German model (ICON) | 49° | 38° | 0% |
| Canadian model (GEM) | 48° | 33° | 0% |
| The average | 49° | 37° | 0% |
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.