Summit forecast for 2,557 ft · Franconia · Updated 3x daily
As of September 4, 2026 at 1:20 PM ET
Mount Pemigewasset (2,557 ft) is currently 67°F (feels like 66°F) with clear sky and NW winds at 11 mph, gusting to 20 mph. Today's freezing level is 10,827–14,042 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 4.2°F per 1,000 ft on Mount Pemigewasset.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 2,557 ft | 59° – 66°F | 15 mph | 59°F |
| Trailhead 2,000 ft | 60° – 68°F | 13 mph | 60°F |
Freezing level today: 10,827–14,042 ft
~4.2°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Today Sep 4 | Tomorrow Sep 5 | Sunday Sep 6 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | ptly cloudy | cloudy | cloudy | rain | cloudy | cloudy | drizzle | cloudy |
| Temp °F hi / lo | 62° 59° | 66° 64° | 63° 56° | 59° 56° | 60° 56° | 55° 51° | 55° 49° | 59° 55° | 54° 52° |
| Chill °F | — | — | — | — | — | — | 43° | — | — |
| Wind mph | 10 | 15 | 15 | 12 | 13 | 14 | 16 | 18 | 11 |
| Gust mph est. | 16 | 24 | 24 | 19 | 21 | 22 | 26 | 29 | — |
| Storm risk | mod | — | — | — | — | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | - | 0.2 | - | - | - | - |
| Freezing ft | 11,962 ft | 9,395 ft | 8,441 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 72% | 100% | 100% | 100% | 100% | 81% | 100% | 100% |
| Vis mi | 0.2 | clear | 9 | 8 | 2 | clear | 8 | clear | clear |
| UV | 5 | 6 | — | 1 | 6 | — | 5 | 6 | — |
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| Elevation | Today Sep 4 | Tomorrow Sep 5 | Sunday Sep 6 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 2,557 ft | 59/62° 10 | 56/59° 12 | 49/55° 16 |
| 2,500 ft | 59/62° 10 | 56/59° 12 | 49/55° 16 |
| Trailhead 2,000 ft | 60/64° 9 | 57/61° 10 | 51/58° 11 |
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 September 4, 2026 at 1:20 PM ET: Mount Pemigewasset (2,557 ft) is currently 67°F (feels like 66°F) with clear sky and NW winds at 11 mph, gusting to 20 mph. Today's freezing level is 10,827–14,042 ft. Expect the summit to run about 2°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 4.2°F per 1,000 ft of elevation on Mount Pemigewasset. Today the trailhead (2,000 ft) tops out around 68°F while the summit (2,557 ft) reaches about 66°F, with a wind chill as low as 59°F.
Winds at the summit of Mount Pemigewasset are forecast to reach 15 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (10,827–14,042 ft) is above the 2,557 ft summit of Mount Pemigewasset, so the full route should stay above freezing.