– Lat/Long: 36.66° N 118.31° W
Mount Williamson Weather Forecast
Sierra Nevada · United StatesIssued: 3 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
4 Mount Williamson Elevations: 4 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -5°C on Fri morning). Winds decreasing (strong winds from the NNE on Fri morning, calm by Sat afternoon). | Days 4–6 Weather SummaryMostly dry. Temperatures will be below freezing (max -1°C on Mon morning, min -5°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | | | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 9450 | 9650 | 8500 | |||||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -4 | -4 | -2 | -1 | -1 | -1 | 1 | -1 | -1 | -1 | -2 | -2 | -3 | -4 | -5 | -3 | -3 | -4 |
min °C | -5 | -4 | -4 | -1 | -1 | -1 | 0 | -1 | -2 | -1 | -2 | -3 | -3 | -5 | -5 | -4 | -4 | -4 |
chill °C | -14 | -12 | -10 | -4 | -1 | -4 | -2 | -4 | -5 | -5 | -6 | -7 | -6 | -9 | -10 | -8 | -9 | -9 |
Freezing level m | 3600 | 3700 | 3750 | 4200 | 4200 | 4250 | 4300 | 4300 | 4200 | 4200 | 4150 | 4000 | 3950 | 3800 | 3700 | 3900 | 3850 | 3800 |
 | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 4:51 | — | — | 4:50 | — | — | 4:49 | — | — | 4:47 | — | — | 4:46 | — | — | 4:46 | — |
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Mount Williamson Weather (Days 0-3):
The weather forecast for Mount Williamson is: Mostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -5°C on Fri morning). Winds decreasing (strong winds from the NNE on Fri morning, calm by Sat afternoon).
Mount Williamson Weather (Days 3-6):
Mostly dry. Temperatures will be below freezing (max -1°C on Mon morning, min -5°C on Tue afternoon). Wind will be generally light.
This table gives the weather forecast for Mount Williamson at the specific elevation of 4380 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Williamson. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of California.
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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Upload new photoStaring up the class 2 chute!
The west face
Staring down the class 2 chute
Sunset plumage with a Williamson backdrop
The majestic alpenglow
class 3 chimney
Mount Williamson