Summit forecast for 4,003 ft · Waterville · Updated 3x daily
As of August 16, 2026 at 8:20 PM ET
Mount Tecumseh (4,003 ft) is currently 55°F (feels like 52°F) with overcast and SSE winds at 7 mph, gusting to 17 mph. Today's freezing level is 13,287–15,387 ft. Expect the summit to run about 9°F colder than the trailhead. Trail conditions are rated Moderate.
Valley forecasts don't apply up high — temperatures drop about 3.2°F per 1,000 ft on Mount Tecumseh.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 4,003 ft | 49° – 57°F | 25 mph | 41°F |
| Treeline 4,000 ft | 49° – 58°F | 25 mph | 41°F |
| Trailhead 2,000 ft | 52° – 66°F | 12 mph | 52°F |
Freezing level today: 13,287–15,387 ft
~3.2°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 | cloudy | rain | rain | fog | fog | fog | drizzle | drizzle |
| Temp °F hi / lo | 51° 49° | 57° 52° | 57° 56° | 57° 57° | 61° 57° | 60° 59° | 58° 56° | 64° 57° | 61° 59° |
| Chill °F | 44° | — | — | — | — | — | — | — | — |
| Wind mph | 14 | 18 | 32 | 29 | 20 | 7 | 11 | 9 | 7 |
| Gust mph est. | 22 | 29 | 51 | 46 | 32 | 11 | 17 | — | — |
| Storm risk | — | — | — | — | — | — | — | mod | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | 0.1 | 0.3 | - | - | - | 0.1 | - |
| Freezing ft | 14,525 ft | 14,721 ft | 14,607 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 7% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | 0.2 | clear | <0.1 | <0.1 | <0.1 | <0.1 | 0.1 | clear | clear |
| UV | 5 | 7 | — | 0 | 2 | — | 4 | 6 | — |
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| Elevation | Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 4,003 ft | 49/51° 14 | 57/57° 29 | 56/58° 11 |
| 3,300 ft | 51/53° 14 | 58/59° 25 | 59/60° 13 |
| 2,500 ft | 52/57° 8 | 60/60° 18 | 62/63° 12 |
| Trailhead 2,000 ft | 53/59° 7 | 61/62° 14 | 63/64° 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: Mount Tecumseh (4,003 ft) is currently 55°F (feels like 52°F) with overcast and SSE winds at 7 mph, gusting to 17 mph. Today's freezing level is 13,287–15,387 ft. Expect the summit to run about 9°F colder than the trailhead. Trail conditions are rated Moderate.
Temperatures drop roughly 3.2°F per 1,000 ft of elevation on Mount Tecumseh. Today the trailhead (2,000 ft) tops out around 66°F while the summit (4,003 ft) reaches about 57°F, with a wind chill as low as 41°F.
Winds at the summit of Mount Tecumseh are forecast to reach 25 mph today, with 25 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (13,287–15,387 ft) is above the 4,003 ft summit of Mount Tecumseh, so the full route should stay above freezing.