– Lat/Long: 48.91° N 122.22° W
Sumas Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
2 Sumas Mountain Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Fri afternoon. Mild temperatures (max 9°C on Sun afternoon, min 4°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sun morning). | Days 5–7 Weather SummaryModerate rain (total 14mm), heaviest on Tue afternoon. Very mild (max 10°C on Mon afternoon, min 3°C on Thu morning). Winds decreasing (strong winds from the S on Tue morning, calm by Wed morning). | ||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | |  | |  | |  | | | | |
mod. rain | light rain | rain shwrs | rain shwrs | some clouds | clear | clear | some clouds | clear | some clouds | light rain | light rain | rain shwrs | rain shwrs | some clouds | some clouds | rain shwrs | |
Cloud base (m) | 250 | 150 | 800 | 950 | 6000 | 5850 | 7150 | 5800 | 750 | 1700 | 1650 | 500 | 4200 | 800 | 1950 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 7 | 5 | 0.4 | 0.4 | — | — | — | — | — | — | 0.1 | 2 | 11 | 0.1 | — | — | 0.1 |
max °C | 6 | 5 | 5 | 6 | 6 | 8 | 9 | 8 | 8 | 10 | 8 | 8 | 9 | 7 | 5 | 7 | 6 |
min °C | 5 | 4 | 4 | 6 | 5 | 5 | 9 | 6 | 6 | 9 | 8 | 8 | 8 | 5 | 5 | 6 | 4 |
chill °C | 0 | -2 | 1 | 6 | 3 | 5 | 9 | 4 | 4 | 7 | 6 | 3 | 4 | 2 | 4 | 4 | 2 |
Freezing level m | 1900 | 1650 | 1700 | 2050 | 2550 | 2600 | 2650 | 2500 | 2450 | 2700 | 3200 | 2800 | 2400 | 2050 | 1800 | 1950 | 1850 |
 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — |
 | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — |
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Sumas Mountain Weather (Days 0-3):
The weather forecast for Sumas Mountain is: Moderate rain (total 13mm), heaviest on Fri afternoon. Mild temperatures (max 9°C on Sun afternoon, min 4°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sun morning).
Sumas Mountain Weather (Days 3-6):
Moderate rain (total 14mm), heaviest on Tue afternoon. Very mild (max 10°C on Mon afternoon, min 3°C on Thu morning). Winds decreasing (strong winds from the S on Tue morning, calm by Wed morning).
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.