Summit forecast for 2,212 ft · Squam Range · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
Mount Percival (2,212 ft) is currently 64°F (feels like 64°F) with overcast and ESE winds at 6 mph, gusting to 12 mph. Today's freezing level is 13,255–15,354 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 Mount Percival.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,212 ft | 53° – 66°F | 19 mph | 53°F |
| Trailhead 2,000 ft | 53° – 67°F | 17 mph | 53°F |
Freezing level today: 13,255–15,354 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 | fog | rain | fog | fog | cloudy | drizzle | drizzle |
| Temp °F hi / lo | 57° 53° | 66° 59° | 65° 61° | 61° 60° | 64° 60° | 64° 63° | 64° 63° | 72° 65° | 70° 65° |
| Chill °F | — | — | — | — | — | — | — | — | — |
| Wind mph | 8 | 11 | 22 | 23 | 15 | 8 | 10 | 14 | 10 |
| Gust mph est. | 13 | — | — | — | 19 | — | — | — | — |
| Storm risk | — | — | — | — | — | — | — | mod | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | 0.1 | - | - | - | 0.2 | - |
| Freezing ft | 14,578 ft | 14,698 ft | 14,666 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 9% | 59% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | 0.2 | clear | <0.1 | <0.1 | <0.1 | 0.3 | 8 | clear | clear |
| UV | 5 | 7 | — | 1 | 1 | — | 3 | 7 | — |
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 2,212 ft | 53/57° 8 | 60/61° 23 | 63/64° 10 |
| Trailhead 2,000 ft | 54/58° 7 | 61/61° 21 | 63/64° 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 Percival (2,212 ft) is currently 64°F (feels like 64°F) with overcast and ESE winds at 6 mph, gusting to 12 mph. Today's freezing level is 13,255–15,354 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 Mount Percival. Today the trailhead (2,000 ft) tops out around 67°F while the summit (2,212 ft) reaches about 66°F, with a wind chill as low as 53°F.
Winds at the summit of Mount Percival 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 (13,255–15,354 ft) is above the 2,212 ft summit of Mount Percival, so the full route should stay above freezing.