– Lat/Long: 36.66° N 118.31° W
Mount Williamson Weather Forecast
Sierra Nevada · United StatesIssued: 4 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
4 Mount Williamson Elevations: 4 Forecast Elevations: Days 1–3 Weather SummaryMild with moderate rain (total 16mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Very mild (max 11°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of snow turning to light rain (total 2mm) on Thu afternoon. Mild temperatures (max 9°C on Sat afternoon, min 1°C on Thu night). Wind will be generally light. | |||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  |  | | | | | | | | | |
clear | clear | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light snow | light snow | light snow | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 8650 | 3400 | 3150 | 3150 | 3500 | 1800 | 1850 | 1850 | 3150 | |||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 5 | 1 | 1 | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | 1.2 | 0.4 | 0.3 | 1.5 | 12 | — | 2 | — | — | — | — | — | — | — |
max °C | 10 | 11 | 7 | 6 | 8 | 6 | 7 | 8 | 3 | 2 | 2 | 2 | 4 | 6 | 5 | 8 | 9 | 8 |
min °C | 7 | 10 | 6 | 6 | 7 | 5 | 5 | 6 | 1 | 2 | 2 | 1 | 3 | 6 | 4 | 6 | 9 | 8 |
chill °C | 6 | 8 | 4 | 4 | 4 | 2 | 2 | 2 | 1 | 2 | 1 | -2 | 0 | 4 | 1 | 4 | 8 | 8 |
Freezing level m | 3950 | 4000 | 3550 | 3350 | 3500 | 3350 | 3450 | 3300 | 2800 | 2800 | 2750 | 2750 | 3100 | 3400 | 3350 | 3800 | 3900 | 3950 |
 | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 6:10 | — | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:06 | — | — | 6:05 | — |
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Mount Williamson Weather (Days 0-3):
The weather forecast for Mount Williamson is: Mild with moderate rain (total 16mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Very mild (max 11°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light.
Mount Williamson Weather (Days 3-6):
A dusting of snow turning to light rain (total 2mm) on Thu afternoon. Mild temperatures (max 9°C on Sat afternoon, min 1°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Mount Williamson at the specific elevation of 2500 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