Manassas, VA — every free forecast we can get, averaged to be a little more right. County seat of Manassas city.
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 65° Low 45° Rain 36%
They disagree — a coin flip (highs spread 3°, rain spread 75 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 42° | 5% |
| US model (GFS) | 64° | 44° | 26% |
| German model (ICON) | 64° | 45° | 80% |
| Canadian model (GEM) | 67° | 47° | 32% |
| The average | 65° | 45° | 36% |
High 49° Low 35° Rain 15%
Pretty close — fairly safe (highs spread 3°, rain spread 27 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 33° | 9% |
| US model (GFS) | 47° | 34° | 2% |
| German model (ICON) | 49° | 36° | 20% |
| Canadian model (GEM) | 50° | 36° | 29% |
| The average | 49° | 35° | 15% |
High 50° Low 33° Rain 5%
They agree — trust it (highs spread 2°, rain spread 12 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 35° | 2% |
| US model (GFS) | 49° | 30° | 2% |
| German model (ICON) | 50° | 34° | 3% |
| Canadian model (GEM) | 49° | 33° | 14% |
| The average | 50° | 33° | 5% |
High 52° Low 37° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 54° | 33° | 0% |
| US model (GFS) | 50° | 38° | 0% |
| German model (ICON) | 53° | 40° | 0% |
| Canadian model (GEM) | 51° | 38° | 0% |
| The average | 52° | 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.