Summit forecast for 2,539 ft · Twin Range · Updated 3x daily
As of July 21, 2026
Middle Sugarloaf (2,539 ft) is currently 60°F (feels like 53°F) with overcast and SSE winds at 14 mph, gusting to 30 mph. Today's freezing level is 12,795–14,075 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 2.6°F per 1,000 ft on Middle Sugarloaf.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,539 ft | 61° – 66°F | 28 mph | 61°F |
| Trailhead 2,000 ft | 62° – 68°F | 22 mph | 62°F |
Freezing level today: 12,795–14,075 ft
~2.6°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 | rain | cloudy | sunny | cloudy | cloudy | sunny | sunny |
| Temp °F hi / lo | 64° 61° | 66° 64° | 65° 63° | 66° 63° | 69° 65° | 63° 45° | 54° 46° | 65° 57° | 60° 59° |
| Chill °F | — | — | — | — | — | 39° | 40° | — | — |
| Wind mph | 17 | 28 | 23 | 16 | 20 | 11 | 15 | 17 | 7 |
| Gust mph est. | 27 | 45 | 37 | 26 | 30 | 18 | 24 | 27 | — |
| Storm risk | — | — | — | mod | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.1 | 0.3 | - | - | - | - | - | - |
| Freezing ft | 13,369 ft | 13,063 ft | 9,024 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 37% | 93% | 81% | 40% | 5% |
| Vis mi | clear | 3 | 2 | 10 | clear | clear | clear | clear | clear |
| UV | 6 | 7 | — | 2 | 6 | — | 5 | 7 | — |
Tap a day header to expand AM/PM/Night detail
| Elevation | Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,539 ft | 61/64° 17 | 63/66° 16 | 46/54° 15 |
| 2,500 ft | 61/64° 17 | 63/66° 16 | 46/54° 15 |
| Trailhead 2,000 ft | 62/66° 15 | 64/68° 14 | 48/56° 12 |
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: Middle Sugarloaf (2,539 ft) is currently 60°F (feels like 53°F) with overcast and SSE winds at 14 mph, gusting to 30 mph. Today's freezing level is 12,795–14,075 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 2.6°F per 1,000 ft of elevation on Middle Sugarloaf. Today the trailhead (2,000 ft) tops out around 68°F while the summit (2,539 ft) reaches about 66°F, with a wind chill as low as 61°F.
Winds at the summit of Middle Sugarloaf are forecast to reach 28 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,795–14,075 ft) is above the 2,539 ft summit of Middle Sugarloaf, so the full route should stay above freezing.