– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 11°C on Tue night, min 5°C on Mon afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Sat night, min -1°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | |  | | | | | | | | |
some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | clear | some clouds | clear | some clouds | some clouds | some clouds | |
Cloud base (m) | 8150 | 9350 | 8500 | 8300 | 6350 | 2500 | 1600 | 1800 | 1600 | 9350 | 3100 | 2700 | 2850 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 7 | 8 | 10 | 11 | 10 | 10 | 9 | 6 | 5 | 3 | 0 | 0 | 2 | 4 | 7 | 9 |
min °C | 5 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 4 | 0 | -1 | 0 | 1 | 3 | 5 | 7 |
chill °C | 4 | 5 | 6 | 9 | 10 | 9 | 7 | 5 | 3 | 2 | -5 | -4 | 0 | 1 | 3 | 5 | 7 |
Freezing level m | 2400 | 2650 | 2850 | 3000 | 2900 | 2850 | 2900 | 2850 | 2500 | 2200 | 1600 | 1400 | 1550 | 2200 | 2700 | 2800 | 2900 |
 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — |
 | 6:10 | — | — | 6:08 | — | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — | — | 6:01 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mostly dry. Very mild (max 11°C on Tue night, min 5°C on Mon afternoon). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 9°C on Sat night, min -1°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 |
|---|---|---|---|---|---|
SHIP5964 | |||||
SHIP3582 | |||||
SHIP6412 | |||||
 | |||||
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.
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