Mount Williamson weather
– Lat/Long: 36.66° N 118.31° W

UsMount Williamson
Weather Forecast, United States

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Issued: 10 am Thu 28 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Fri night. Extremely cold (max -11°C on Thu afternoon, min -20°C on Sat night). Winds decreasing (gales from the WSW on Fri afternoon, light winds from the WNW by Sat night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -7°C on Tue night, min -19°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the NNE by Mon night).

Days 7–9 Weather Summary

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -6°C on Wed morning, min -20°C on Fri morning). Winds increasing (calm on Wed morning, gales from the NW by Fri afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -6°C on Mon afternoon, min -20°C on Sat night). Mainly near gales.

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
clear
part cloud
light snow
mod snow
heavy snow
snow showers
snow showers
clear
cloud
mod snow
snow showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
snow showers
clear
clear
clear
clear
snow showers
snow showers
part cloud
clear
clear
clear
clear
clear
snow shwrs
clear
some clouds
light snow
mod. snow
heavy snow
snow shwrs
snow shwrs
clear
cloudy
mod. snow
snow shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
snow shwrs
clear
clear
clear
clear
snow shwrs
snow shwrs
some clouds
clear
clear
clear
clear
clear
 km/h
60
WSW
50
WSW
40
W
50
WSW
70
WSW
45
SSW
55
SSW
15
W
10
WNW
10
N
5
SE
20
NNE
35
N
40
NNE
45
NNE
30
NNE
25
NNE
10
NNE
5
WNW
5
SW
20
WSW
35
WSW
50
SW
55
SW
55
NW
50
WNW
30
W
45
SSW
45
SSW
5
N
40
N
55
NNW
50
NNW
40
NNW
35
NNW
30
NNW
Wave Height Map
T california.wind.9.cc23
T california.wind.33.cc23
T california.wind.57.cc23
T california.wind.81.cc23
T california.wind.105.cc23
T california.wind.129.cc23
T california.wind.153.cc23
T california.wind.177.cc23
T california.wind.201.cc23
T california.wind.225.cc23
T california.wind.249.cc23
T california.wind.273.cc23
 cm 
2.0
1.0
8
19
2.0
4
9
10
7
1.0
2.0
 mm 
max°C
-12
-11
-13
-14
-15
-15
-18
-18
-20
-18
-17
-17
-14
-12
-11
-9
-8
-7
-6
-6
-6
-7
-7
-11
-17
-13
-13
-14
-14
-17
-16
-12
-11
-9
-6
-6
min°C
-13
-11
-14
-15
-15
-17
-18
-18
-20
-19
-17
-18
-16
-12
-12
-10
-8
-8
-7
-6
-7
-7
-9
-17
-20
-14
-14
-15
-15
-20
-19
-13
-12
-10
-7
-7
chill°C 
-27
-24
-25
-28
-29
-31
-33
-31
-28
-29
-17
-23
-27
-24
-24
-20
-16
-15
-10
-8
-13
-16
-20
-30
-31
-29
-25
-27
-28
-26
-28
-26
-25
-21
-16
-16
Freezing level (m
2600
2750
2150
2150
2150
1950
1900
2000
1300
2000
2050
1550
2350
2650
2250
2900
3200
3250
3500
3550
3350
3250
3000
2300
1650
2350
2050
2300
2350
1650
2150
2700
2350
2950
3400
3300
Cloud base (m)
5550
2700
2250
1800
1900
2500
2250
8800
2750
3100
3300
Sea lvl1000m2000m3000m4000m5000m
-13-11-14-15-15-16-18-18-20-19-17-18-15-12-12-10-8-8-7-6-7-7-8-14-19-14-14-15-15-19-18-13-12-10-7-7-7-5-8-9-9-10-12-11-14-12-11-12-9-7-7-5-3-2-10-1-2-3-9-14-9-9-9-8-12-12-7-7-5-2-112-2-3-2-3-5-4-7-5-3-5-21-225467555-3-8-2-3-2-1-5-41-126579455334-134258481281215101212505457349681411
Sunrise
6:43
6:41
6:41
6:39
6:37
6:35
6:35
6:33
6:31
6:31
6:28
6:28
Sunset
7:12
7:13
7:14
7:15
7:15
7:15
7:16
7:17
7:19
7:20
7:21
7:22

Mount Williamson Weather (Days 0-3):

The weather forecast for Mount Williamson is: A heavy fall of snow, heaviest during Fri night. Extremely cold (max -11°C on Thu afternoon, min -20°C on Sat night). Winds decreasing (gales from the WSW on Fri afternoon, light winds from the WNW by Sat night).

Mount Williamson Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -7°C on Tue night, min -19°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the NNE by Mon night).

Mount Williamson Weather (Days 6-9):

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -6°C on Wed morning, min -20°C on Fri morning). Winds increasing (calm on Wed morning, gales from the NW by Fri afternoon).

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.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
38 km WSW
2212m alt.
1 hour ago
2° C
-
0
Calm
(0 kph at 0).
11
56 km W
1597m alt.
46 minutes ago
8° C
Dry
0
Calm
(0 kph at 52).
2
58 km WSW
1374m alt.
56 minutes ago
5° C
Dry
0
Calm
(0 kph at 292).
0
59 km SSW
1064m alt.
52 minutes ago
9° C
Dry
5
Calm
(5 kph at 235).
8
59 km WSW
1989m alt.
3 hours ago
1° C
-
2
Calm
(2 kph at 138).
6

* 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.

Mount Williamson Photos