Massachusetts mountain forecasts
A summit forecast for every prominent peak in Massachusetts, highest first. The highest is Mount Greylock at 3,491 ft (1,064 m).
The summits on the map
Every summit in Massachusetts with a forecast page. Select one.
- Summit
Summits
| Summit | Elevation | Prominence | Nearest town |
|---|---|---|---|
| Mount Greylock | 3,491 ft | 2,464 ft | Adams |
Forecasts from the National Weather Service. Summit-height temperature, wind and freezing level from NOAA’s Global Forecast System on NOAA Open Data. Summits from Wikidata (CC0): prominence >= 600 m, or elevation >= 4267 m, or >= 12 Wikipedia editions; English Wikipedia article required; read 2026-09-25. Mountain weather changes fast; check the forecast again before you go.