Sumas Mountain Weather (Days 0-3):A light covering of new snow mostly falling on Sun morning. Becoming milder with light rain (total 6mm) on Sun afternoon. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sun night). Wind will be generally light. |
(Days 3-6):Light rain (total 4mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 4°C on Wed afternoon, min -1°C on Tue night). Wind will be generally light. |
(Days 6-9):A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Fri night, min -4°C on Sun night). Wind will be generally light. |
(Days 10-12):Mild at first with light rain (total 4mm) on Tue night followed by colder weather and light fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 3°C on Wed morning, min -3°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the S by Wed night). |
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Sat
6
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Sunday
7
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Monday
8
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Tuesday
9
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Wednesday
10
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Thursday
11
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Friday
12
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Saturday
13
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Sunday
14
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Monday
15
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Tuesday
16
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Wednesday
17
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Thu
18
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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 | AM | PM |
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Wind
km/h
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light snow | light snow | light snow | some clouds | clear | clear | some clouds | rain shwrs | risk tstorm | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | light rain | light snow | cloudy | light snow | light snow | mod. snow | some clouds | some clouds | clear | clear | clear | cloudy | cloudy | light rain | light rain | cloudy | light snow | light snow | light snow | |
Rain
mm
|
- | 1 | 3 | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | 4 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | - | 1 | - | - |
Snow
cm
|
1 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | - | 1 | 3 | 6 | - | - | - | - | - | - | - | - | - | - | 3 | 5 | 2 |
High
°C
|
2 | 3 | 3 | 1 | 5 | 6 | 2 | 5 | 4 | 1 | 3 | 4 | 0 | 2 | 3 | 1 | 4 | 3 | 2 | 1 | 2 | -2 | -1 | -1 | -3 | 0 | 1 | -2 | 0 | 1 | 2 | 3 | 3 | 2 | 0 | 1 |
Low
°C
|
1 | 1 | 2 | -1 | 3 | 3 | 1 | 3 | 3 | -1 | 2 | 1 | 0 | 2 | 2 | 1 | 3 | 2 | -1 | 0 | -1 | -3 | -2 | -2 | -4 | -2 | -1 | -3 | -1 | 0 | 1 | 2 | 3 | 2 | -1 | -1 |
Chill
°C
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-2 | -2 | -1 | -2 | 5 | 6 | 0 | 5 | 4 | 1 | 0 | 2 | 0 | 0 | 1 | -1 | 1 | 0 | -2 | -3 | -1 | -2 | -1 | -3 | -5 | -2 | 0 | -2 | -2 | -2 | -2 | -1 | -1 | -3 | -6 | -4 |
Freezing level
m
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850 | 600 | 850 | 450 | 1000 | 1200 | 700 | 1000 | 1050 | 600 | 750 | 950 | 500 | 700 | 850 | 600 | 1050 | 1200 | 450 | 500 | 700 | 200 | 0 | 400 | 0 | 200 | 600 | 0 | 300 | 600 | 750 | 900 | 1000 | 850 | 350 | 650 |
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- | 6:37 | - | - | 6:35 | - | - | 6:33 | - | - | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - | 6:26 | - | - | 6:22 | - | - | 6:20 | - | - | 6:18 | - | - | 6:16 | - | - | 6:15 | - |
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- | - | 6:01 | - | - | 6:02 | - | - | 6:05 | - | - | 6:06 | - | - | 6:07 | - | - | 6:08 | - | - | 6:10 | - | - | 6:12 | - | - | 6:14 | - | - | 6:15 | - | - | 6:16 | - | - | 6:17 |
Sumas Mountain Weather (Days 0-3):
The weather forecast for Sumas Mountain is: A light covering of new snow mostly falling on Sun morning. Becoming milder with light rain (total 6mm) on Sun afternoonFreeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sun night)Wind will be generally light.
Sumas Mountain Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Fri afternoonFreeze-thaw conditions (max 4°C on Wed afternoon, min -1°C on Tue night)Wind will be generally light.
Sumas Mountain Weather (Days 6-9):
A moderate fall of snow, heaviest on Sun morningFreeze-thaw conditions (max 2°C on Fri night, min -4°C on Sun night)Wind will be generally light.
This table gives the weather forecast for Sumas Mountain at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Sumas Mountain. 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 Washington.