Summit forecast for 2,555 ft · Mahoosuc Range · Updated 3x daily
As of July 21, 2026
Mount Hayes (2,555 ft) is currently 63°F (feels like 59°F) with overcast and ESE winds at 8 mph, gusting to 15 mph. Today's freezing level is 12,598–14,075 ft. Expect the summit to run about 3°F colder than the trailhead. Trail conditions are rated Moderate.
Valley forecasts don't apply up high — temperatures drop about 3.2°F per 1,000 ft on Mount Hayes.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,555 ft | 61° – 66°F | 29 mph | 61°F |
| Trailhead 2,000 ft | 62° – 69°F | 24 mph | 62°F |
Freezing level today: 12,598–14,075 ft
~3.2°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | cloudy | rain | drizzle | cloudy | sunny | ptly cloudy | cloudy | cloudy | sunny |
| Temp °F hi / lo | 64° 62° | 66° 63° | 65° 61° | 66° 63° | 70° 66° | 63° 47° | 53° 47° | 65° 55° | 61° 60° |
| Chill °F | — | — | — | — | — | 39° | 38° | — | — |
| Wind mph | 19 | 28 | 29 | 20 | 22 | 21 | 27 | 22 | 13 |
| Gust mph est. | 26 | 40 | 43 | 32 | 32 | 34 | 39 | 26 | — |
| Storm risk | — | — | — | mod | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.1 | 0.1 | - | - | - | - | - | - |
| Freezing ft | 13,487 ft | 13,114 ft | 9,021 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 27% | 51% | 100% | 100% | - |
| Vis mi | clear | 5 | <0.1 | clear | clear | clear | clear | clear | clear |
| UV | 6 | 7 | — | 4 | 7 | — | 4 | 7 | — |
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| Elevation | Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,555 ft | 62/64° 19 | 63/66° 20 | 47/53° 27 |
| 2,500 ft | 62/64° 19 | 63/66° 19 | 47/53° 27 |
| Trailhead 2,000 ft | 63/67° 16 | 65/68° 15 | 49/55° 24 |
4 more days of forecast — plan around the weather window, not just tomorrow.
Conditions synthesized from: NWS Higher Summits Forecast, NOAA Open-Meteo, Mount Washington Observatory, NETC Trip Reports, NOHRSC Snow Depth, Mt. Washington Avalanche Center, USGS Stream Levels, OpenWeather Air Quality.
AI-generated from public data. Always verify conditions before heading out — backcountry weather can change quickly.
As of July 21, 2026: Mount Hayes (2,555 ft) is currently 63°F (feels like 59°F) with overcast and ESE winds at 8 mph, gusting to 15 mph. Today's freezing level is 12,598–14,075 ft. Expect the summit to run about 3°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.2°F per 1,000 ft of elevation on Mount Hayes. Today the trailhead (2,000 ft) tops out around 69°F while the summit (2,555 ft) reaches about 66°F, with a wind chill as low as 61°F.
Winds at the summit of Mount Hayes are forecast to reach 29 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,598–14,075 ft) is above the 2,555 ft summit of Mount Hayes, so the full route should stay above freezing.