Summit forecast for 5,712 ft · Presidential · Updated 3x daily
As of July 21, 2026
Mount Jefferson (5,712 ft) is currently 49°F (feels like 39°F) with overcast and S winds at 15 mph, gusting to 30 mph. Today's freezing level is 12,828–14,337 ft. Expect the summit to run about 11°F colder than the trailhead. Trail conditions are rated Dangerous.
Valley forecasts don't apply up high — temperatures drop about 2.8°F per 1,000 ft on Mount Jefferson.
| Elevation | Temp Range | Max Wind | Wind Chill (Low) |
|---|---|---|---|
| Summit 5,712 ft | 51° – 57°F | 47 mph | 51°F |
| Treeline 4,000 ft | 57° – 60°F | 36 mph | 57°F |
| Trailhead 2,000 ft | 62° – 68°F | 21 mph | 62°F |
Freezing level today: 12,828–14,337 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 | cloudy | fog | cloudy | cloudy | sunny |
| Temp °F hi / lo | 54° 53° | 56° 53° | 57° 55° | 55° 52° | 54° 51° | 50° 37° | 37° 35° | 49° 39° | 47° 46° |
| Chill °F | — | — | — | — | — | 25° | 20° | 28° | 38° |
| Wind mph | 28 | 47 | 39 | 35 | 33 | 26 | 40 | 24 | 23 |
| Gust mph est. | 45 | 66 | 62 | 56 | 53 | 42 | 56 | 38 | — |
| Storm risk | — | — | — | — | mod | — | — | — | — |
| Precipitation | |||||||||
| Precip in (rain/snow) | - | 0.1 | 0.2 | - | - | - | - | - | - |
| Freezing ft | 13,750 ft | 13,476 ft | 9,672 ft | ||||||
| Conditions | |||||||||
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | - |
| Vis mi | clear | <0.1 | <0.1 | <0.1 | 8 | 4 | clear | clear | clear |
| UV | 6 | 7 | — | 4 | 7 | — | 3 | 7 | — |
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| Elevation | Today Jul 21 | Tomorrow Jul 22 | Thursday Jul 23 |
|---|---|---|---|
| lo/hi °F · wind mph & dir · chill °F | |||
| Summit 5,712 ft | 53/54° 28 | 52/55° 35 | 35/37° 40 |
| 5,000 ft | 55/56° 29 | 55/57° 34 | 37/41° 28 |
| 4,100 ft | 57/58° 27 | 57/59° 31 | 41/45° 19 |
| 3,300 ft | 59/61° 23 | 60/62° 23 | 44/49° 15 |
| 2,500 ft | 61/64° 16 | 63/66° 14 | 46/54° 9 |
| Trailhead 2,000 ft | 62/66° 14 | 65/68° 12 | 48/56° 8 |
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 Jefferson (5,712 ft) is currently 49°F (feels like 39°F) with overcast and S winds at 15 mph, gusting to 30 mph. Today's freezing level is 12,828–14,337 ft. Expect the summit to run about 11°F colder than the trailhead. Trail conditions are rated Dangerous.
Temperatures drop roughly 2.8°F per 1,000 ft of elevation on Mount Jefferson. Today the trailhead (2,000 ft) tops out around 68°F while the summit (5,712 ft) reaches about 57°F, with a wind chill as low as 51°F.
Winds at the summit of Mount Jefferson are forecast to reach 47 mph today, with 36 mph at treeline. Above treeline there is no shelter from wind — plan layers around wind chill, not air temperature.
Today's freezing level (12,828–14,337 ft) is above the 5,712 ft summit of Mount Jefferson, so the full route should stay above freezing.