– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Sun morning. Warm (max 25°C on Tue afternoon, min 10°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 17°C on Wed afternoon, min 9°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | |  | | |  | | |  | |
light rain | rain shwrs | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | rain shwrs | light rain | |
Cloud base (m) | 650 | 950 | 9550 | 9450 | 1600 | 700 | 900 | 1600 | 1900 | |||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.8 | 0.6 | — | — | — | — | — | — | — | — | — | 0.2 | 0.3 | — | — | — | 0.1 | 0.1 |
max °C | 11 | 14 | 13 | 19 | 23 | 21 | 24 | 25 | 20 | 16 | 17 | 14 | 11 | 14 | 12 | 11 | 13 | 12 |
min °C | 10 | 13 | 12 | 15 | 23 | 20 | 21 | 23 | 15 | 15 | 17 | 10 | 9 | 14 | 9 | 9 | 12 | 9 |
chill °C | 9 | 12 | 12 | 15 | 23 | 20 | 21 | 23 | 15 | 15 | 17 | 9 | 8 | 14 | 9 | 8 | 12 | 8 |
Freezing level m | 3150 | 3550 | 4000 | 4050 | 4100 | 4150 | 4250 | 4250 | 4200 | 3950 | 3800 | 3350 | 3450 | 3450 | 3550 | 3350 | 3300 | 3250 |
 | 6:11 | — | — | 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: Some drizzle, heaviest during Sun morning. Warm (max 25°C on Tue afternoon, min 10°C on Sun morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Wed afternoon, min 9°C on Thu 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 |
|---|---|---|---|---|---|
 | |||||
SHIP6616 | |||||
SHIP4423 | |||||
 | |||||
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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