Summit forecast for 3,980 ft · Sandwich Range · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
Sandwich Dome (3,980 ft) is currently 56°F (feels like 53°F) with overcast and SE winds at 7 mph, gusting to 15 mph. Today's freezing level is 13,287–15,387 ft. Expect the summit to run about 8°F colder than the trailhead. Trail conditions are rated Moderate.
Valley forecasts don't apply up high — temperatures drop about 3.2°F per 1,000 ft on Sandwich Dome.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 3,980 ft | 49° – 58°F | 25 mph | 41°F |
| Trailhead 2,000 ft | 53° – 66°F | 13 mph | 53°F |
Freezing level today: 13,287–15,387 ft
~3.2°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 | cloudy | rain | rain | fog | fog | ptly cloudy | drizzle | drizzle |
| Temp °F hi / lo | 51° 49° | 58° 52° | 57° 56° | 57° 56° | 61° 57° | 61° 59° | 58° 57° | 65° 57° | 62° 59° |
| Chill °F | 43° | — | — | — | — | — | — | — | — |
| Wind mph | 15 | 17 | 32 | 30 | 21 | 7 | 9 | 8 | 7 |
| Gust mph est. | 24 | 27 | 51 | 47 | 32 | 11 | — | — | — |
| Storm risk | — | — | — | — | — | — | — | mod | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | 0.1 | 0.2 | - | - | - | 0.2 | - |
| Freezing ft | 14,502 ft | 14,699 ft | 14,610 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 7% | 100% | 100% | 100% | 100% | 100% | 74% | 100% | 100% |
| Vis mi | 0.2 | clear | <0.1 | <0.1 | <0.1 | <0.1 | 8 | clear | clear |
| UV | 5 | 7 | — | 0 | 1 | — | 2 | 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 3,980 ft | 49/51° 15 | 56/57° 30 | 57/58° 9 |
| 3,300 ft | 51/53° 15 | 58/58° 28 | 59/61° 11 |
| 2,500 ft | 53/56° 9 | 60/60° 22 | 62/63° 10 |
| Trailhead 2,000 ft | 53/58° 7 | 61/61° 17 | 63/65° 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: Sandwich Dome (3,980 ft) is currently 56°F (feels like 53°F) with overcast and SE winds at 7 mph, gusting to 15 mph. Today's freezing level is 13,287–15,387 ft. Expect the summit to run about 8°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.2°F per 1,000 ft of elevation on Sandwich Dome. Today the trailhead (2,000 ft) tops out around 66°F while the summit (3,980 ft) reaches about 58°F, with a wind chill as low as 41°F.
Winds at the summit of Sandwich Dome are forecast to reach 25 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (13,287–15,387 ft) is above the 3,980 ft summit of Sandwich Dome, so the full route should stay above freezing.