Summit forecast for 2,555 ft · Mahoosuc Range · Updated 3x daily
As of September 4, 2026 at 1:20 PM ET
Mount Hayes (2,555 ft) is currently 67°F (feels like 64°F) with mainly clear and WNW winds at 12 mph, gusting to 19 mph. Today's freezing level is 10,105–13,287 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Good.
Valley forecasts don't apply up high — temperatures drop about 3.8°F per 1,000 ft on Mount Hayes.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,555 ft | 59° – 66°F | 19 mph | 59°F |
| Trailhead 2,000 ft | 60° – 68°F | 17 mph | 60°F |
Freezing level today: 10,105–13,287 ft
~3.8°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Today Sep 4 | Tomorrow Sep 5 | Sunday Sep 6 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | sunny | cloudy | drizzle | drizzle | cloudy | cloudy | drizzle | ptly cloudy |
| Temp °F hi / lo | 63° 59° | 66° 64° | 62° 57° | 56° 55° | 56° 55° | 54° 49° | 54° 49° | 58° 55° | 55° 51° |
| Chill °F | — | — | — | — | — | 43° | 43° | — | — |
| Wind mph | 14 | 19 | 18 | 11 | 16 | 17 | 15 | 19 | 12 |
| Gust mph est. | 20 | 27 | 29 | 18 | 23 | 24 | 24 | 23 | — |
| Storm risk | mod | — | — | — | — | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | 0.0 | - | - | - | - | - |
| Freezing ft | 11,154 ft | 9,230 ft | 8,092 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 27% | 100% | 100% | 100% | 100% | 83% | 100% | 72% |
| Vis mi | 0.2 | clear | 8 | 4 | 9 | 8 | clear | clear | clear |
| UV | 5 | 6 | — | 2 | 2 | — | 5 | 6 | — |
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| Elevation | Today Sep 4 | Tomorrow Sep 5 | Sunday Sep 6 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,555 ft | 59/63° 14 | 55/56° 11 | 49/54° 15 |
| 2,500 ft | 59/63° 14 | 55/56° 11 | 49/54° 15 |
| Trailhead 2,000 ft | 60/65° 12 | 57/58° 9 | 50/56° 13 |
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 September 4, 2026 at 1:20 PM ET: Mount Hayes (2,555 ft) is currently 67°F (feels like 64°F) with mainly clear and WNW winds at 12 mph, gusting to 19 mph. Today's freezing level is 10,105–13,287 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Good.
Temperatures drop roughly 3.8°F per 1,000 ft of elevation on Mount Hayes. Today the trailhead (2,000 ft) tops out around 68°F while the summit (2,555 ft) reaches about 66°F, with a wind chill as low as 59°F.
Winds at the summit of Mount Hayes are forecast to reach 19 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (10,105–13,287 ft) is above the 2,555 ft summit of Mount Hayes, so the full route should stay above freezing.