– Lat/Long: 48.91° N 122.22° W
Sumas Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
2 Sumas Mountain Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 11°C on Tue afternoon, min 4°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 10mm), heaviest on Wed night. Very mild (max 11°C on Wed afternoon, min 6°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | | | |  |  |  | |  | |
some clouds | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | clear | clear | light rain | rain shwrs | rain shwrs | light rain | light rain | |
Cloud base (m) | 5350 | 8650 | 4850 | 5050 | 2450 | 2400 | 1850 | 4450 | 6300 | 700 | 650 | 950 | 850 | 250 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1.1 | 5 | 0.1 | 0.4 | 1.8 |
max °C | 6 | 7 | 9 | 6 | 8 | 10 | 8 | 9 | 11 | 7 | 8 | 11 | 7 | 8 | 9 | 7 |
min °C | 4 | 4 | 8 | 5 | 5 | 9 | 7 | 7 | 9 | 6 | 6 | 7 | 6 | 7 | 8 | 6 |
chill °C | 4 | 4 | 8 | 5 | 4 | 9 | 6 | 7 | 9 | 5 | 6 | 5 | 6 | 6 | 6 | 3 |
Freezing level m | 1850 | 1800 | 1950 | 2800 | 3050 | 2850 | 2300 | 2200 | 2200 | 2200 | 2100 | 1650 | 1700 | 1750 | 1600 | 1650 |
 | — | 6:54 | — | — | 7:56 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | — | 4:47 | — | — | 5:46 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — |
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Sumas Mountain Weather (Days 0-3):
The weather forecast for Sumas Mountain is: Mostly dry. Very mild (max 11°C on Tue afternoon, min 4°C on Sat night). Wind will be generally light.
Sumas Mountain Weather (Days 3-6):
Moderate rain (total 10mm), heaviest on Wed night. Very mild (max 11°C on Wed afternoon, min 6°C on Tue 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.