Summit forecast for 2,382 ft · Belknap Range · Updated 3x daily
As of July 21, 2026
Belknap Mountain (2,382 ft) is currently 60°F (feels like 55°F) with clear sky and S winds at 10 mph, gusting to 22 mph. Today's freezing level is 13,189–14,403 ft. Expect the summit to run about 1°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 Belknap Mountain.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,382 ft | 61° – 70°F | 31 mph | 61°F |
| Trailhead 2,000 ft | 62° – 71°F | 30 mph | 62°F |
Freezing level today: 13,189–14,403 ft
~3.6°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 | ptly cloudy | cloudy | sunny | sunny | sunny |
| Temp °F hi / lo | 64° 61° | 70° 64° | 66° 63° | 67° 63° | 70° 68° | 67° 50° | 55° 49° | 66° 57° | 66° 62° |
| Chill °F | — | — | — | — | — | 42° | 41° | — | — |
| Wind mph | 25 | 31 | 33 | 26 | 24 | 28 | 27 | 18 | 14 |
| Gust mph est. | — | — | — | 31 | — | — | — | — | — |
| Storm risk | — | — | — | mod | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.1 | 0.1 | - | - | - | - | - | - |
| Freezing ft | 13,873 ft | 13,466 ft | 10,337 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 71% | 100% | - | 5% | 5% |
| Vis mi | clear | 3 | 0.1 | 9 | clear | clear | clear | clear | clear |
| UV | 4 | 7 | — | 5 | 7 | — | 6 | 7 | — |
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| Elevation | Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,382 ft | 61/64° 25 | 63/67° 26 | 49/55° 27 |
| Trailhead 2,000 ft | 62/65° 24 | 64/68° 24 | 51/56° 26 |
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: Belknap Mountain (2,382 ft) is currently 60°F (feels like 55°F) with clear sky and S winds at 10 mph, gusting to 22 mph. Today's freezing level is 13,189–14,403 ft. Expect the summit to run about 1°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.6°F per 1,000 ft of elevation on Belknap Mountain. Today the trailhead (2,000 ft) tops out around 71°F while the summit (2,382 ft) reaches about 70°F, with a wind chill as low as 61°F.
Winds at the summit of Belknap Mountain are forecast to reach 31 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (13,189–14,403 ft) is above the 2,382 ft summit of Belknap Mountain, so the full route should stay above freezing.