– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 10 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 15mm), heaviest on Wed night. Very mild (max 16°C on Mon night, min 3°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the S by Wed afternoon). | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Thu morning. Very mild (max 10°C on Sat afternoon, min 3°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | |  | | |  | |  | | |
clear | some clouds | clear | clear | some clouds | rain shwrs | light rain | light rain | heavy rain | light rain | light rain | light rain | light rain | light rain | some clouds | clear | rain shwrs | rain shwrs | |
Cloud base (m) | 8650 | 4450 | 6200 | 4700 | 1950 | 2050 | 1700 | 1700 | 550 | 600 | 700 | 1750 | 700 | 750 | 3350 | 2350 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.2 | 0.4 | 1.1 | 14 | 2 | 1.3 | 0.7 | 0.2 | 0.3 | — | — | 0.1 | 0.1 |
max °C | 12 | 15 | 16 | 12 | 11 | 9 | 6 | 8 | 5 | 3 | 4 | 4 | 4 | 5 | 7 | 7 | 10 | 10 |
min °C | 11 | 14 | 13 | 11 | 11 | 7 | 6 | 6 | 3 | 3 | 3 | 4 | 3 | 4 | 6 | 7 | 9 | 9 |
chill °C | 11 | 14 | 12 | 10 | 10 | 3 | 2 | 1 | 0 | -1 | 0 | 2 | 1 | 4 | 5 | 7 | 9 | 8 |
Freezing level m | 3650 | 3700 | 3650 | 3600 | 3400 | 2850 | 2500 | 2550 | 2100 | 2000 | 2200 | 2150 | 2200 | 2500 | 2650 | 2600 | 2750 | 2800 |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Moderate rain (total 15mm), heaviest on Wed night. Very mild (max 16°C on Mon night, min 3°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the S by Wed afternoon).
Twin Sisters Mountain Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Thu morning. Very mild (max 10°C on Sat afternoon, min 3°C on Thu 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 | | ||||
SHIP9157 | |||||
SHIP6739 | |||||
SHIP3988 |
* 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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