– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Sun 09 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 18°C on Sun afternoon, min 11°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 23°C on Fri afternoon, min 12°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  | | | | | | | | | | |
clear | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 8550 | 4000 | 8800 | 9150 | ||||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 16 | 18 | 16 | 14 | 17 | 15 | 15 | 18 | 15 | 14 | 18 | 16 | 17 | 21 | 19 | 21 | 23 | 20 |
min °C | 14 | 18 | 11 | 12 | 17 | 12 | 13 | 17 | 12 | 12 | 17 | 13 | 15 | 20 | 17 | 18 | 22 | 16 |
chill °C | 14 | 18 | 10 | 11 | 17 | 11 | 12 | 17 | 11 | 12 | 17 | 13 | 15 | 20 | 17 | 18 | 22 | 16 |
Freezing level m | 4050 | 4050 | 4000 | 4000 | 3950 | 4200 | 3950 | 3850 | 3900 | 3700 | 3800 | 3750 | 3700 | 3900 | 3900 | 3800 | 4000 | 4000 |
 | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | — | 8:29 | — | — | 8:27 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 |
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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 Sun afternoon, min 11°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 23°C on Fri afternoon, min 12°C on Wed morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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 |
|---|---|---|---|---|---|
 | |||||
SHIP1857 | |||||
 | |||||
| |||||
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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