– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 01 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 01 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 19°C on Sat afternoon, min 10°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | |  | | | | | | |  | | | | |
cloudy | cloudy | clear | some clouds | rain shwrs | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 2900 | 2550 | 3000 | 2100 | 2850 | 6850 | 9100 | 9650 | 9450 | 6200 | 8550 | 1650 | 5900 | 4500 | 7700 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 12 | 13 | 12 | 15 | 17 | 12 | 16 | 19 | 14 | 18 | 22 | 16 | 17 | 18 | 11 | 13 | 16 | 12 |
min °C | 10 | 12 | 10 | 11 | 16 | 11 | 11 | 19 | 12 | 12 | 21 | 13 | 12 | 16 | 9 | 8 | 14 | 11 |
chill °C | 10 | 12 | 10 | 11 | 16 | 11 | 11 | 19 | 12 | 12 | 21 | 13 | 12 | 16 | 8 | 7 | 14 | 11 |
Freezing level m | 3350 | 3250 | 3250 | 3150 | 3100 | 3700 | 3950 | 3950 | 4100 | 4100 | 4000 | 4050 | 3600 | 3250 | 3650 | 3650 | 3650 | 3700 |
 | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 6:43 | — | — | 6:40 | — | — | 6:38 | — | — | 6:37 | — | — | 6:35 | — | — | 6:32 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 19°C on Sat afternoon, min 10°C on Thu morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Tue morning). 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.