– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 14 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 14 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm), mostly falling on Mon afternoon. Very mild (max 14°C on Wed night, min 5°C on Tue morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 16°C on Sat night, min 9°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | | | | | | | | | |
rain shwrs | cloudy | light rain | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 950 | 650 | 900 | 8600 | 9050 | ||||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.8 | — | 0.9 | 0.4 | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 6 | 5 | 7 | 10 | 10 | 13 | 14 | 14 | 14 | 14 | 10 | 11 | 11 | 12 | 14 | 16 |
min °C | 6 | 6 | 5 | 6 | 7 | 10 | 13 | 14 | 13 | 14 | 11 | 9 | 11 | 11 | 12 | 14 | 15 |
chill °C | 5 | 6 | 4 | 4 | 5 | 10 | 13 | 14 | 13 | 14 | 11 | 9 | 11 | 11 | 12 | 14 | 15 |
Freezing level m | 2950 | 2750 | 2450 | 2950 | 3400 | 3650 | 3800 | 3900 | 3900 | 3900 | 3750 | 3700 | 3800 | 3950 | 3950 | 3950 | 4000 |
 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:48 | — | — |
 | 7:22 | — | — | 7:21 | — | — | 7:19 | — | — | 7:16 | — | — | 7:14 | — | — | 7:12 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Light rain (total 2mm), mostly falling on Mon afternoon. Very mild (max 14°C on Wed night, min 5°C on Tue morning). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Sat night, min 9°C on Fri morning). 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 |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport |  | ||||
SHIP3746 | |||||
SHIP11038 |
* 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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