– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Sun 26 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 26 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 26 Jul Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 18°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 21°C on Fri afternoon, min 10°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  |  | | | | | | | | | |
rain shwrs | cloudy | some clouds | clear | clear | clear | rain shwrs | light rain | rain shwrs | some clouds | some clouds | clear | clear | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 950 | 1950 | 3000 | 2500 | 2350 | 1600 | 1750 | 6750 | 7000 | 9500 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | — | — | — | — | 0.2 | 0.4 | 0.1 | — | — | — | — | — | — | — | — | — |
max °C | 13 | 15 | 14 | 14 | 18 | 16 | 13 | 15 | 13 | 12 | 16 | 15 | 15 | 17 | 15 | 17 | 21 | 18 |
min °C | 11 | 15 | 11 | 12 | 17 | 11 | 12 | 13 | 10 | 10 | 16 | 11 | 13 | 17 | 12 | 14 | 20 | 14 |
chill °C | 10 | 15 | 11 | 12 | 17 | 11 | 11 | 12 | 10 | 10 | 16 | 11 | 13 | 17 | 12 | 14 | 20 | 14 |
Freezing level m | 3450 | 3250 | 3300 | 3450 | 3550 | 3900 | 3500 | 3600 | 4000 | 3900 | 3850 | 4100 | 4200 | 4050 | 4350 | 4500 | 4650 | 4550 |
 | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | — | 8:49 | — | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 18°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 21°C on Fri afternoon, min 10°C on Wed 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 |
|---|---|---|---|---|---|
 | |||||
SHIP3848 | |||||
| |||||
| |||||
 | |||||
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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