– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 38mm), heaviest during Tue morning. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the S by Mon night). | Days 5–7 Weather SummaryMostly dry. Very mild (max 13°C on Thu night, min 5°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | |  | | | | | | | |
clear | clear | some clouds | some clouds | light rain | heavy rain | heavy rain | rain shwrs | clear | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | clear | |
Cloud base (m) | 3200 | 2300 | 750 | 550 | 550 | 2000 | 5150 | 3250 | 2300 | 2800 | 9300 | 3150 | 6350 | 8850 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 4 | 23 | 11 | 0.2 | — | — | — | — | — | — | — | — | — |
max °C | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 4 | 3 | 6 | 8 | 9 | 11 | 13 | 12 | 10 | 9 |
min °C | 7 | 6 | 5 | 6 | 5 | 6 | 6 | 3 | 3 | 5 | 7 | 8 | 9 | 12 | 10 | 9 | 8 |
chill °C | 7 | 4 | 2 | 4 | 0 | 1 | 2 | 0 | 0 | 5 | 7 | 8 | 9 | 12 | 9 | 8 | 7 |
Freezing level m | 2800 | 2750 | 2400 | 2650 | 3000 | 2900 | 2400 | 2100 | 2250 | 2800 | 2800 | 3200 | 3450 | 3450 | 3200 | 3200 | 3750 |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — |
 | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 38mm), heaviest during Tue morning. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the S by Mon night).
Twin Sisters Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 13°C on Thu night, min 5°C on Wed afternoon). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters 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 |
|---|---|---|---|---|---|
SHIP7595 | |||||
 | |||||
Bellingham Airport | | ||||
SHIP7140 | |||||
SHIP10884 | |||||
SHIP7595 | |||||
SHIP7149 | |||||
SHIP4524 |
* 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.
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