Permit ·
Managed by the National Park Service
Stephen Mather Wilderness Area (Wilderness Area) · Restricted Access

48.71172, -121.20694 · 48°42'42.2"N 121°12'25.0"W
Typically 79°F in Aug, down to 38°F in Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 39 | 43 | 49 | 57 | 66 | 70 | 78 | 79 | 71 | 58 | 45 | 38 |
| Low °F | 30 | 30 | 33 | 38 | 44 | 49 | 53 | 54 | 49 | 42 | 35 | 30 |
| Precip in | 12.3 | 7.4 | 8.2 | 4.6 | 2.7 | 2.3 | 1.3 | 1.5 | 3.4 | 8.6 | 13.7 | 11.6 |
1991–2020 averages from the nearest NOAA station, 2.9 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.

Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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