Summit forecast for 4,430 ft · Carter · Updated 3x daily
As of July 22, 2026
South Carter Mountain (4,430 ft) is currently 62°F (feels like 62°F) with mainly clear and SW winds at 13 mph, gusting to 24 mph. Today's freezing level is 12,500–13,845 ft. Expect the summit to run about 11°F colder than the trailhead. Trail conditions are rated Moderate.
Valley forecasts don't apply up high — temperatures drop about 3.4°F per 1,000 ft on South Carter Mountain.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 4,430 ft | 48° – 62°F | 32 mph | 39°F |
| Treeline 4,000 ft | 49° – 64°F | 31 mph | 41°F |
| Trailhead 2,000 ft | 57° – 73°F | 17 mph | 57°F |
Freezing level today: 12,500–13,845 ft
~3.4°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Today Jul 22 | Tomorrow Jul 23 | Friday Jul 24 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | fog | cloudy | ptly cloudy | sunny | sunny | sunny | sunny | cloudy | sunny |
| Temp °F hi / lo | 60° 59° | 62° 55° | 53° 45° | 48° 46° | 53° 48° | 53° 52° | 57° 52° | 60° 58° | 60° 58° |
| Chill °F | — | — | 35° | 38° | 41° | — | — | — | — |
| Wind mph | 20 | 30 | 32 | 23 | 20 | 16 | 5 | 6 | 8 |
| Gust mph est. | 32 | 48 | 51 | 37 | 32 | 26 | — | — | — |
| Storm risk | high | high | — | — | — | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | - | - | - | - | - | - |
| Freezing ft | 13,172 ft | 10,401 ft | 11,032 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 83% | 73% | - | 1% | - | - | 100% | 48% |
| Vis mi | 0.2 | 8 | 8 | clear | clear | clear | clear | clear | clear |
| UV | 6 | 7 | — | 6 | 7 | — | 6 | 7 | — |
Tap a day header to expand AM/PM/Night detail
| Elevation | Today Jul 22 | Tomorrow Jul 23 | Friday Jul 24 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 4,430 ft | 59/60° 20 | 46/48° 23 | 52/57° 5 |
| 4,100 ft | 60/61° 19 | 47/49° 23 | 53/58° 5 |
| 3,300 ft | 62/64° 14 | 49/52° 20 | 57/63° 4 |
| 2,500 ft | 64/67° 9 | 51/56° 15 | 60/67° 4 |
| Trailhead 2,000 ft | 65/69° 7 | 53/58° 13 | 61/69° 3 |
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 22, 2026: South Carter Mountain (4,430 ft) is currently 62°F (feels like 62°F) with mainly clear and SW winds at 13 mph, gusting to 24 mph. Today's freezing level is 12,500–13,845 ft. Expect the summit to run about 11°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.4°F per 1,000 ft of elevation on South Carter Mountain. Today the trailhead (2,000 ft) tops out around 73°F while the summit (4,430 ft) reaches about 62°F, with a wind chill as low as 39°F.
Winds at the summit of South Carter Mountain are forecast to reach 32 mph today, with 31 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,500–13,845 ft) is above the 4,430 ft summit of South Carter Mountain, so the full route should stay above freezing.