– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Sat 18 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 18 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 18 Jul Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 19°C on Mon afternoon, min 8°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Tue afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  |  | | | | | | | | | | |
clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | clear | clear | |
Cloud base (m) | 2050 | 6900 | 5300 | 4900 | 5000 | 5500 | 5400 | 4750 | |||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 9 | 10 | 13 | 15 | 17 | 19 | 19 | 18 | 19 | 19 | 17 | 18 | 17 | 14 | 15 | 13 |
min °C | 8 | 9 | 9 | 12 | 13 | 16 | 18 | 18 | 18 | 19 | 18 | 17 | 18 | 15 | 14 | 14 | 11 |
chill °C | 6 | 7 | 8 | 11 | 13 | 16 | 18 | 18 | 18 | 19 | 18 | 17 | 18 | 15 | 14 | 13 | 9 |
Freezing level m | 3750 | 4100 | 4050 | 4250 | 4450 | 4550 | 4600 | 4550 | 4550 | 4750 | 4750 | 4500 | 4650 | 4400 | 4100 | 4100 | 3900 |
 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — |
 | — | 8:58 | — | — | 8:57 | — | — | 8:55 | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 19°C on Mon afternoon, min 8°C on Sat afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 19°C on Tue afternoon, min 11°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1832 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-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP2177 | |||||
SHIP7162 | |||||
|
* 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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