– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Mon 27 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Mon 27 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 27 Jul Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Tue afternoon. Very mild (max 18°C on Wed afternoon, min 9°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri afternoon, min 7°C on Sun morning). Wind will be generally light. | ||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  | |  | | | | | | | | | | | |
clear | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | some clouds | rain shwrs | rain shwrs | rain shwrs | clear | clear | |
Cloud base (m) | 1550 | 950 | 1700 | 9600 | 9250 | 5850 | 900 | 1750 | 800 | ||||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.2 | 0.6 | 0.5 | — | — | — | — | — | — | — | — | — | — | 3 | 1.9 | 0.3 | — | — |
max °C | 16 | 12 | 14 | 12 | 13 | 18 | 15 | 15 | 17 | 15 | 17 | 21 | 19 | 15 | 13 | 11 | 9 | 14 | 12 |
min °C | 12 | 12 | 12 | 9 | 10 | 17 | 12 | 13 | 16 | 12 | 15 | 20 | 14 | 14 | 12 | 8 | 7 | 13 | 10 |
chill °C | 12 | 11 | 11 | 9 | 10 | 17 | 12 | 13 | 16 | 12 | 15 | 20 | 14 | 14 | 10 | 7 | 7 | 12 | 10 |
Freezing level m | 3600 | 3350 | 3500 | 3800 | 3950 | 4050 | 4100 | 4100 | 4100 | 4300 | 4350 | 4500 | 4500 | 3650 | 3050 | 2950 | 3400 | 3700 | 4000 |
 | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — |
 | — | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Some drizzle, heaviest during Tue afternoon. Very mild (max 18°C on Wed afternoon, min 9°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri afternoon, min 7°C on Sun 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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