Summit forecast for 2,555 ft · Mahoosuc Range · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
Mount Hayes (2,555 ft) is currently 61°F (feels like 58°F) with partly cloudy and E winds at 9 mph, gusting to 13 mph. Today's freezing level is 13,025–14,961 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Moderate.
Valley forecasts don't apply up high — temperatures drop about 3.6°F per 1,000 ft on Mount Hayes.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,555 ft | 52° – 64°F | 18 mph | 52°F |
| Trailhead 2,000 ft | 51° – 66°F | 15 mph | 51°F |
Freezing level today: 13,025–14,961 ft
~3.6°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | ptly cloudy | rain | drizzle | cloudy | fog | fog | drizzle | drizzle |
| Temp °F hi / lo | 57° 52° | 64° 59° | 63° 62° | 64° 61° | 67° 64° | 65° 62° | 61° 59° | 70° 60° | 68° 61° |
| Chill °F | — | — | — | — | — | — | — | — | — |
| Wind mph | 10 | 14 | 18 | 16 | 11 | 11 | 12 | 11 | 5 |
| Gust mph est. | 16 | 18 | 24 | 23 | 16 | 18 | 19 | 18 | — |
| Storm risk | — | — | — | — | mod | — | — | mod | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | 0.1 | 0.0 | - | - | - | 0.1 | - |
| Freezing ft | 13,962 ft | 14,491 ft | 14,409 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 70% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | 0.2 | clear | 3 | 5 | clear | 0.4 | 0.1 | clear | clear |
| UV | 4 | 7 | — | 2 | 2 | — | 4 | 6 | — |
Tap a day header to expand AM/PM/Night detail
| Elevation | Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,555 ft | 52/57° 10 | 61/64° 16 | 59/61° 12 |
| 2,500 ft | 52/57° 10 | 61/64° 16 | 59/61° 12 |
| Trailhead 2,000 ft | 51/59° 8 | 62/66° 12 | 61/63° 10 |
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 August 16, 2026 at 8:20 PM ET: Mount Hayes (2,555 ft) is currently 61°F (feels like 58°F) with partly cloudy and E winds at 9 mph, gusting to 13 mph. Today's freezing level is 13,025–14,961 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.6°F per 1,000 ft of elevation on Mount Hayes. Today the trailhead (2,000 ft) tops out around 66°F while the summit (2,555 ft) reaches about 64°F, with a wind chill as low as 52°F.
Winds at the summit of Mount Hayes are forecast to reach 18 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (13,025–14,961 ft) is above the 2,555 ft summit of Mount Hayes, so the full route should stay above freezing.