– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Mon 24 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Mon 24 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 24 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 18°C on Mon night, min 6°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Thu afternoon. Mild temperatures (max 6°C on Thu afternoon, min 3°C on Sat morning). Wind will be generally light. | ||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | |  | |  | |  |  | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | clear | |
Cloud base (m) | 8950 | 850 | 1650 | 1650 | 1600 | 1700 | 900 | 800 | 1850 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 0.2 | 1.1 | 0.4 | 0.1 | 0.4 | 1.8 | 0.2 | 0.1 | — |
max °C | 17 | 18 | 17 | 18 | 15 | 13 | 13 | 12 | 7 | 6 | 6 | 5 | 6 | 6 | 4 | 6 | 6 |
min °C | 17 | 17 | 17 | 17 | 14 | 12 | 13 | 9 | 6 | 6 | 5 | 5 | 6 | 4 | 3 | 5 | 6 |
chill °C | 17 | 17 | 17 | 17 | 14 | 11 | 12 | 6 | 3 | 3 | 2 | 3 | 4 | 0 | 0 | 3 | 5 |
Freezing level m | 4000 | 4100 | 4200 | 4250 | 4150 | 4050 | 4000 | 3750 | 3350 | 2700 | 2900 | 3100 | 2900 | 2550 | 2750 | 3150 | 3550 |
 | — | — | 6:13 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — |
 | — | 8:02 | — | — | 8:00 | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 18°C on Mon night, min 6°C on Thu morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Thu afternoon. Mild temperatures (max 6°C on Thu afternoon, min 3°C on Sat morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1832 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Index. 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
BUOY-EBSW1 | |||||
BUOY-46120 | |||||
Seattl / oeing 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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