– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Fri 21 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 21 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 21 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Warm (max 27°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Thu morning. Warm (max 25°C on Tue afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  |  | | | | | | | | | |
cloudy | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | |
Cloud base (m) | 5800 | 5150 | 650 | 600 | 1850 | 650 | 850 | 9100 | 4200 | 1700 | |||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 1.9 | 4 | 1.1 | 1.5 | 0.2 | — | — | — | — | — | — | — | — | — | 0.4 |
max °C | 27 | 22 | 15 | 15 | 14 | 10 | 14 | 12 | 17 | 21 | 18 | 22 | 25 | 21 | 18 | 19 | 15 |
min °C | 24 | 16 | 14 | 14 | 10 | 10 | 11 | 12 | 14 | 20 | 18 | 19 | 24 | 17 | 17 | 19 | 9 |
chill °C | 24 | 16 | 14 | 14 | 9 | 9 | 11 | 12 | 14 | 20 | 18 | 19 | 24 | 17 | 17 | 19 | 7 |
Freezing level m | 4650 | 4500 | 4100 | 3750 | 3200 | 2900 | 3500 | 4050 | 4050 | 4150 | 4150 | 4200 | 4300 | 4250 | 4100 | 3900 | 3050 |
 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:16 | — | — |
 | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | 7:59 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 27°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Thu morning. Warm (max 25°C on Tue afternoon, min 9°C on Wed 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 |  | ||||
SHIP10482 | |||||
SHIP5464 | |||||
SHIP6889 |
* 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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