– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 24°C on Tue morning, min 12°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | | |  | | | | |
rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | rain shwrs | some clouds | clear | clear | some clouds | |
Cloud base (m) | 900 | 8450 | 9300 | 700 | 1750 | 900 | 6850 | ||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.5 | — | — | — | — | — | — | — | — | — | — | 0.3 | 0.2 | — | — | — | — |
max °C | 14 | 13 | 19 | 23 | 21 | 24 | 24 | 20 | 18 | 19 | 16 | 10 | 15 | 13 | 12 | 15 | 12 |
min °C | 13 | 12 | 15 | 23 | 20 | 21 | 23 | 17 | 17 | 19 | 11 | 10 | 13 | 9 | 9 | 14 | 10 |
chill °C | 12 | 12 | 15 | 23 | 20 | 21 | 23 | 17 | 17 | 19 | 11 | 9 | 12 | 9 | 9 | 14 | 10 |
Freezing level m | 3550 | 4000 | 4000 | 4100 | 4150 | 4250 | 4250 | 4200 | 4100 | 4050 | 3800 | 3150 | 3300 | 3600 | 3400 | 3350 | 3250 |
 | — | — | 6:13 | — | — | 6:13 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Warm (max 24°C on Tue morning, min 12°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 19°C on Wed afternoon, min 9°C on Thu night). 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
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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