Summit forecast for 1,670 ft · Belknap Range · Updated 3x daily
As of August 16, 2026 at 3:20 AM ET
Mount Anna (1,670 ft) is currently 53°F (feels like 50°F) with clear sky and NNE winds at 2 mph, gusting to 3 mph. Today's freezing level is 13,484–15,092 ft. Trail conditions are rated Good.
Valley forecasts don't apply up high — temperatures drop about 4.0°F per 1,000 ft on Mount Anna.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 1,670 ft | 58° – 70°F | 29 mph | 58°F |
| Trailhead 2,000 ft | 57° – 68°F | 30 mph | 57°F |
Freezing level today: 13,484–15,092 ft
~4°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 | cloudy | cloudy | cloudy | cloudy | cloudy | showers | drizzle | drizzle | drizzle |
| Temp °F hi / lo | 60° 58° | 70° 62° | 68° 62° | 63° 62° | 69° 64° | 64° 63° | 63° 62° | 64° 63° | 63° 61° |
| Chill °F | — | — | — | — | — | — | — | — | — |
| Wind mph | 7 | 14 | 31 | 30 | 17 | 9 | 6 | 6 | 10 |
| Gust mph est. | 11 | — | 36 | 34 | 21 | — | — | — | — |
| Storm risk | — | — | — | — | — | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | - | - | - | - | 0.1 | - | 0.1 | - |
| Freezing ft | 14,377 ft | 14,468 ft | 14,784 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Vis mi | clear | clear | 9 | 8 | 4 | <0.1 | 0.2 | 1 | 0.4 |
| UV | 5 | 7 | — | 1 | 1 | — | 2 | 6 | — |
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| Elevation | Sunday Aug 16 | Today Aug 17 | Tomorrow Aug 18 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 1,670 ft | 58/60° 7 | 62/63° 30 | 62/63° 6 |
| Trailhead 2,000 ft | 57/59° 8 | 61/62° 33 | 62/62° 7 |
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 3:20 AM ET: Mount Anna (1,670 ft) is currently 53°F (feels like 50°F) with clear sky and NNE winds at 2 mph, gusting to 3 mph. Today's freezing level is 13,484–15,092 ft. Trail conditions are rated Good.
Temperatures drop roughly 4.0°F per 1,000 ft of elevation on Mount Anna. Today the trailhead (2,000 ft) tops out around 68°F while the summit (1,670 ft) reaches about 70°F, with a wind chill as low as 58°F.
Winds at the summit of Mount Anna 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 (13,484–15,092 ft) is above the 1,670 ft summit of Mount Anna, so the full route should stay above freezing.