Summit forecast for 4,319 ft · Hancock · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
Mount Hancock (South Peak) (4,319 ft) is currently 53°F (feels like 50°F) with overcast and SE winds at 6 mph, gusting to 14 mph. Today's freezing level is 13,222–15,157 ft. Expect the summit to run about 10°F colder than the trailhead. Trail conditions are rated Difficult.
Valley forecasts don't apply up high — temperatures drop about 3.2°F per 1,000 ft on Mount Hancock (South Peak).
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 4,319 ft | 49° – 56°F | 25 mph | 41°F |
| Treeline 4,000 ft | 49° – 57°F | 24 mph | 42°F |
| Trailhead 2,000 ft | 52° – 66°F | 9 mph | 52°F |
Freezing level today: 13,222–15,157 ft
~3.2°F drop per 1,000ft
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Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | cloudy | rain | rain | fog | fog | fog | drizzle | drizzle |
| Temp °F hi / lo | 51° 49° | 56° 52° | 57° 55° | 57° 57° | 60° 58° | 60° 58° | 58° 55° | 63° 56° | 60° 58° |
| Chill °F | 44° | — | — | — | — | — | — | — | — |
| Wind mph | 13 | 19 | 32 | 27 | 20 | 7 | 10 | 8 | 8 |
| Gust mph est. | 21 | 30 | 51 | 43 | 32 | 11 | 16 | 13 | — |
| Storm risk | — | — | — | — | mod | — | — | mod | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | 0.1 | 0.3 | - | - | - | 0.1 | - |
| Freezing ft | 14,371 ft | 14,608 ft | 14,581 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 18% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | 0.4 | 9 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | 4 | clear |
| UV | 5 | 7 | — | 0 | 2 | — | 4 | 6 | — |
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| Elevation | Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 4,319 ft | 49/51° 13 | 57/57° 27 | 55/58° 10 |
| 4,100 ft | 49/51° 13 | 57/57° 27 | 56/58° 11 |
| 3,300 ft | 50/54° 12 | 58/59° 22 | 58/60° 13 |
| 2,500 ft | 51/58° 8 | 60/61° 14 | 61/62° 11 |
| Trailhead 2,000 ft | 52/60° 7 | 62/63° 11 | 63/64° 9 |
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 Hancock (South Peak) (4,319 ft) is currently 53°F (feels like 50°F) with overcast and SE winds at 6 mph, gusting to 14 mph. Today's freezing level is 13,222–15,157 ft. Expect the summit to run about 10°F colder than the trailhead. Trail conditions are rated Difficult.
Temperatures drop roughly 3.2°F per 1,000 ft of elevation on Mount Hancock (South Peak). Today the trailhead (2,000 ft) tops out around 66°F while the summit (4,319 ft) reaches about 56°F, with a wind chill as low as 41°F.
Winds at the summit of Mount Hancock (South Peak) are forecast to reach 25 mph today, with 24 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (13,222–15,157 ft) is above the 4,319 ft summit of Mount Hancock (South Peak), so the full route should stay above freezing.