Summit forecast for 4,358 ft · Kinsman · Updated 3x daily
As of July 21, 2026
South Kinsman Mountain (4,358 ft) is currently 52°F (feels like 45°F) with overcast and SSE winds at 13 mph, gusting to 27 mph. Today's freezing level is 12,566–14,206 ft. Expect the summit to run about 7°F colder than the trailhead. Trail conditions are rated Difficult.
Valley forecasts don't apply up high — temperatures drop about 2.8°F per 1,000 ft on South Kinsman Mountain.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 4,358 ft | 55° – 61°F | 45 mph | 55°F |
| Treeline 4,000 ft | 56° – 61°F | 43 mph | 56°F |
| Trailhead 2,000 ft | 61° – 68°F | 26 mph | 61°F |
Freezing level today: 12,566–14,206 ft
~2.8°F drop per 1,000ft
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Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | cloudy | drizzle | rain | fog | sunny | cloudy | sunny | sunny | sunny |
| Temp °F hi / lo | 57° 56° | 61° 56° | 61° 57° | 57° 56° | 59° 56° | 55° 41° | 45° 40° | 57° 48° | 55° 54° |
| Chill °F | — | — | — | — | — | 29° | 28° | 41° | — |
| Wind mph | 30 | 45 | 36 | 32 | 28 | 36 | 34 | 21 | 22 |
| Gust mph est. | 48 | 63 | 58 | 51 | 45 | 58 | 54 | 30 | — |
| Storm risk | — | — | — | mod | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.1 | 0.4 | - | - | - | - | - | - |
| Freezing ft | 13,688 ft | 13,233 ft | 9,482 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 40% | 100% | 24% | 5% | 5% |
| Vis mi | clear | <0.1 | <0.1 | <0.1 | 10 | 10 | clear | clear | clear |
| UV | 6 | 7 | — | 1 | 7 | — | 6 | 8 | — |
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| Elevation | Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 4,358 ft | 56/57° 30 | 56/57° 32 | 40/45° 34 |
| 4,100 ft | 57/58° 30 | 57/58° 31 | 41/46° 30 |
| 3,300 ft | 58/60° 25 | 59/61° 25 | 44/50° 19 |
| 2,500 ft | 60/63° 19 | 62/65° 17 | 47/54° 17 |
| Trailhead 2,000 ft | 61/65° 17 | 64/67° 15 | 47/57° 14 |
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 July 21, 2026: South Kinsman Mountain (4,358 ft) is currently 52°F (feels like 45°F) with overcast and SSE winds at 13 mph, gusting to 27 mph. Today's freezing level is 12,566–14,206 ft. Expect the summit to run about 7°F colder than the trailhead. Trail conditions are rated Difficult.
Temperatures drop roughly 2.8°F per 1,000 ft of elevation on South Kinsman Mountain. Today the trailhead (2,000 ft) tops out around 68°F while the summit (4,358 ft) reaches about 61°F, with a wind chill as low as 55°F.
Winds at the summit of South Kinsman Mountain are forecast to reach 45 mph today, with 43 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,566–14,206 ft) is above the 4,358 ft summit of South Kinsman Mountain, so the full route should stay above freezing.