– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 19mm), heaviest on Wed night. Warm (max 21°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 13mm), heaviest on Thu morning. Very mild (max 13°C on Sat afternoon, min 6°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  |  | |  | | | | | | | |
clear | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | light rain | heavy rain | mod. rain | light rain | light rain | rain shwrs | light rain | clear | some clouds | light rain | rain shwrs | |
Cloud base (m) | 9250 | 5650 | 5450 | 2100 | 900 | 1700 | 1600 | 600 | 600 | 800 | 1900 | 1750 | 2000 | 2800 | 5500 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.6 | 1.3 | 3 | 14 | 7 | 4 | 0.6 | 0.2 | 0.1 | — | — | 0.2 | 0.1 |
max °C | 18 | 21 | 18 | 14 | 16 | 11 | 10 | 11 | 9 | 6 | 8 | 7 | 8 | 11 | 9 | 11 | 13 | 12 |
min °C | 14 | 20 | 14 | 14 | 15 | 10 | 10 | 9 | 6 | 6 | 7 | 7 | 7 | 10 | 9 | 9 | 13 | 11 |
chill °C | 14 | 20 | 14 | 14 | 14 | 9 | 9 | 7 | 3 | 3 | 5 | 7 | 7 | 10 | 9 | 9 | 13 | 11 |
Freezing level m | 3750 | 3800 | 3850 | 3650 | 3400 | 3000 | 2600 | 2550 | 2100 | 2000 | 2100 | 2200 | 2350 | 2600 | 2600 | 2550 | 2750 | 2900 |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:38 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 19mm), heaviest on Wed night. Warm (max 21°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Thu morning. Very mild (max 13°C on Sat afternoon, min 6°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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
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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