– Lat/Long: 48.91° N 122.22° W
Sumas Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Fri 23 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 23 Oct Local Time
Updates in:
Update imminent hr min s
2 Sumas Mountain Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 6mm), mostly falling on Sat night. Mild temperatures (max 9°C on Mon morning, min 3°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMild at first with light rain (total 2mm) on Tue night followed by colder weather and light fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 10°C on Mon afternoon, min 0°C on Wed night). Winds increasing (light winds from the W on Mon night, fresh winds from the S by Tue night). | ||||||||||||||||
Fri 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | |  |  |  |  |  |  |  | |
clear | some clouds | cloudy | light rain | mod. rain | cloudy | cloudy | some clouds | clear | clear | cloudy | some clouds | rain shwrs | light rain | mod. snow | snow shwrs | light snow | |
Cloud base (m) | 3500 | 2550 | 1800 | 2650 | 2150 | 3000 | 4500 | 5550 | 5400 | 2950 | 2100 | 700 | 400 | 150 | 200 | 350 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | 2 |
mm | — | — | — | 0.5 | 5 | — | — | — | — | — | — | — | 0.2 | 1.8 | — | — | — |
max °C | 5 | 4 | 4 | 3 | 5 | 6 | 7 | 7 | 9 | 10 | 7 | 4 | 4 | 3 | 1 | 1 | 1 |
min °C | 5 | 3 | 3 | 3 | 4 | 5 | 7 | 7 | 7 | 9 | 4 | 3 | 3 | 1 | 1 | 1 | 0 |
chill °C | 3 | 1 | 2 | 1 | 2 | 3 | 6 | 5 | 5 | 8 | 3 | 1 | -1 | -5 | -5 | -2 | -3 |
Freezing level m | 1950 | 1900 | 2000 | 1550 | 2150 | 2100 | 2250 | 2500 | 2600 | 2500 | 2000 | 1650 | 1550 | 1250 | 1150 | 1200 | 1100 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — |
 | 6:04 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:57 | — | — | 5:54 | — |
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Sumas Mountain Weather (Days 0-3):
The weather forecast for Sumas Mountain is: Light rain (total 6mm), mostly falling on Sat night. Mild temperatures (max 9°C on Mon morning, min 3°C on Fri night). Wind will be generally light.
Sumas Mountain Weather (Days 3-6):
Mild at first with light rain (total 2mm) on Tue night followed by colder weather and light fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 10°C on Mon afternoon, min 0°C on Wed night). Winds increasing (light winds from the W on Mon night, fresh winds from the S by Tue night).
This table gives the weather forecast for Sumas Mountain at the specific elevation of 1045 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Abbotsford Airport |  | ||||
Abbotsford A- BC | |||||
Bellingham Airport |  |
* 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.