– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 18°C on Wed afternoon, min 6°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 14°C on Thu afternoon, min 2°C on Thu night). Wind will be generally light. | |||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  |  | | | | |  |  | | | |
light rain | cloudy | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | clear | |
Cloud base (m) | 5950 | 3100 | 7550 | 6550 | 8800 | 6750 | 8450 | 3350 | 2850 | 1650 | 1600 | 1700 | 1600 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | — | — | — | — | — | — | — | — | — | — | 0.5 | 0.1 | 0.1 | — |
max °C | 7 | 10 | 12 | 7 | 12 | 15 | 10 | 16 | 18 | 12 | 13 | 14 | 5 | 3 | 5 | 3 |
min °C | 6 | 7 | 11 | 7 | 7 | 15 | 9 | 10 | 17 | 11 | 10 | 10 | 2 | 2 | 4 | 2 |
chill °C | 5 | 7 | 11 | 7 | 6 | 15 | 9 | 10 | 17 | 11 | 10 | 9 | -1 | -1 | 2 | 0 |
Freezing level m | 2650 | 2500 | 2600 | 2550 | 2850 | 3050 | 3200 | 3100 | 3050 | 3050 | 2850 | 2450 | 1250 | 1500 | 1700 | 1400 |
 | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | — | 6:07 | — | — | 6:06 | — | — | 6:04 | — | — | 6:01 | — | — | 6:00 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 18°C on Wed afternoon, min 6°C on Sun night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 14°C on Thu afternoon, min 2°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Fortress 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 |
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Winthrop Airport (Washington) |  | ||||
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* 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.