Summit forecast for 3,905 ft · Kilkenny · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
The Horn (3,905 ft) is currently 55°F (feels like 51°F) with overcast and S winds at 10 mph, gusting to 20 mph. Today's freezing level is 12,992–14,797 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 3.8°F per 1,000 ft on The Horn.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 3,905 ft | 50° – 59°F | 29 mph | 42°F |
| Trailhead 2,000 ft | 50° – 67°F | 15 mph | 45°F |
Freezing level today: 12,992–14,797 ft
~3.8°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 | drizzle | rain | rain | drizzle | fog | cloudy | cloudy |
| Temp °F hi / lo | 52° 51° | 58° 53° | 59° 57° | 58° 57° | 63° 59° | 62° 58° | 57° 54° | 62° 54° | 61° 58° |
| Chill °F | — | — | — | — | — | — | — | — | — |
| Wind mph | 12 | 16 | 33 | 29 | 20 | 8 | 13 | 10 | 12 |
| Gust mph est. | 19 | 26 | 53 | 46 | 32 | — | 21 | — | — |
| Storm risk | — | — | — | — | mod | mod | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | 0.0 | 0.2 | 0.3 | 0.1 | - | - | - |
| Freezing ft | 13,991 ft | 14,464 ft | 14,362 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 99% | 69% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | 0.2 | 10 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | clear | clear |
| UV | 4 | 6 | — | 1 | 3 | — | 3 | 6 | — |
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 3,905 ft | 51/52° 12 | 57/58° 29 | 54/57° 13 |
| 3,300 ft | 51/54° 10 | 59/60° 27 | 56/59° 15 |
| 2,500 ft | 51/57° 8 | 61/63° 19 | 59/61° 12 |
| Trailhead 2,000 ft | 50/59° 5 | 62/65° 14 | 61/63° 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: The Horn (3,905 ft) is currently 55°F (feels like 51°F) with overcast and S winds at 10 mph, gusting to 20 mph. Today's freezing level is 12,992–14,797 ft. Expect the summit to run about 8°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.8°F per 1,000 ft of elevation on The Horn. Today the trailhead (2,000 ft) tops out around 67°F while the summit (3,905 ft) reaches about 59°F, with a wind chill as low as 42°F.
Winds at the summit of The Horn are forecast to reach 29 mph today. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,992–14,797 ft) is above the 3,905 ft summit of The Horn, so the full route should stay above freezing.