Summit forecast for 4,100 ft · Kinsman · Updated 3x daily
As of July 21, 2026
Mount Cannon (4,100 ft) is currently 53°F (feels like 45°F) with overcast and SSE winds at 14 mph, gusting to 29 mph. Today's freezing level is 12,828–14,108 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 Mount Cannon.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 4,100 ft | 56° – 61°F | 42 mph | 56°F |
| Treeline 4,000 ft | 56° – 61°F | 41 mph | 56°F |
| Trailhead 2,000 ft | 61° – 68°F | 23 mph | 61°F |
Freezing level today: 12,828–14,108 ft
~2.8°F drop per 1,000ft
Tap a day header to expand to 3hr or hourly detail
Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AM | PM | night | AM | PM | night | AM | PM | night | |
| Temperature & Wind | |||||||||
| Weather | cloudy | rain | rain | fog | cloudy | cloudy | sunny | sunny | sunny |
| Temp °F hi / lo | 57° 56° | 60° 57° | 61° 57° | 58° 57° | 60° 57° | 56° 40° | 46° 40° | 57° 49° | 55° 54° |
| Chill °F | — | — | — | — | — | 29° | 29° | 42° | — |
| Wind mph | 29 | 42 | 34 | 30 | 28 | 27 | 26 | 21 | 19 |
| Gust mph est. | 46 | 59 | 54 | 48 | 45 | 43 | 40 | — | — |
| Storm risk | — | — | — | mod | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.2 | 0.8 | - | - | - | - | - | - |
| Freezing ft | 13,587 ft | 12,832 ft | 8,862 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 95% | 100% | 24% | 5% | 5% |
| Vis mi | clear | 0.1 | <0.1 | <0.1 | 9 | 9 | 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 4,100 ft | 56/57° 29 | 57/58° 30 | 40/46° 26 |
| 3,300 ft | 58/60° 23 | 59/62° 23 | 43/50° 20 |
| 2,500 ft | 60/63° 18 | 62/65° 16 | 47/54° 16 |
| Trailhead 2,000 ft | 61/65° 16 | 64/67° 14 | 49/56° 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: Mount Cannon (4,100 ft) is currently 53°F (feels like 45°F) with overcast and SSE winds at 14 mph, gusting to 29 mph. Today's freezing level is 12,828–14,108 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 Mount Cannon. Today the trailhead (2,000 ft) tops out around 68°F while the summit (4,100 ft) reaches about 61°F, with a wind chill as low as 56°F.
Winds at the summit of Mount Cannon are forecast to reach 42 mph today, with 41 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,828–14,108 ft) is above the 4,100 ft summit of Mount Cannon, so the full route should stay above freezing.