– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 10 pm Tue 21 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 21 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 21 Jul Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 23°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 23mm), heaviest during Sun afternoon. Very mild (max 15°C on Fri night, min 5°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, calm by Mon morning). | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | | |  | | | | |  |  |  |  | | | |  | |
clear | clear | clear | rain shwrs | clear | clear | clear | clear | clear | clear | clear | light rain | light rain | mod. rain | heavy rain | rain shwrs | clear | clear | some clouds | |
Cloud base (m) | 6350 | 5150 | 6000 | 4950 | 5250 | 2300 | 2000 | 800 | 550 | 600 | 600 | 700 | |||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | — | — | — | — | — | — | — | 0.2 | 1.1 | 7 | 11 | 4 | — | — | — |
max °C | 22 | 21 | 23 | 23 | 17 | 16 | 15 | 13 | 16 | 15 | 11 | 11 | 8 | 7 | 7 | 7 | 7 | 11 | 11 |
min °C | 21 | 21 | 23 | 18 | 15 | 16 | 13 | 13 | 16 | 13 | 11 | 9 | 7 | 7 | 7 | 5 | 5 | 10 | 10 |
chill °C | 21 | 21 | 23 | 18 | 15 | 16 | 13 | 13 | 16 | 12 | 9 | 6 | 3 | 3 | 3 | 2 | 5 | 10 | 10 |
Freezing level m | 4550 | 4650 | 4700 | 4550 | 4450 | 4350 | 4250 | 4000 | 4050 | 3700 | 3300 | 3050 | 2850 | 2850 | 2750 | 2850 | 3550 | 3650 | 3750 |
 | — | 5:28 | — | — | 5:28 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — |
 | — | — | — | 8:59 | — | — | 8:58 | — | — | 8:57 | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mostly dry. Warm (max 23°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 23mm), heaviest during Sun afternoon. Very mild (max 15°C on Fri night, min 5°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, calm by Mon morning).
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 |  | ||||
SHIP3030 | |||||
SHIP12511 | |||||
SHIP2311 | |||||
SHIP4583 | |||||
SHIP9342 |
* 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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