– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Thu 03 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Thu 03 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 03 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 12mm), heaviest on Fri afternoon. Very mild (max 14°C on Sun morning, min 7°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light. | ||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | |  | | |  |  | | | |
light rain | rain shwrs | cloudy | rain shwrs | light rain | light rain | risk tstorm | rain shwrs | clear | clear | some clouds | clear | clear | clear | some clouds | cloudy | some clouds | |
Cloud base (m) | 2050 | 1850 | 2200 | 1950 | 2400 | 2300 | 2650 | 2650 | 7000 | 2850 | 6400 | 9100 | 6700 | 6650 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.3 | 1.3 | — | 3 | 1.1 | 0.7 | 4 | 0.5 | — | — | — | — | — | — | — | — | — |
max °C | 10 | 9 | 9 | 12 | 11 | 11 | 12 | 10 | 14 | 17 | 13 | 13 | 15 | 13 | 16 | 19 | 17 |
min °C | 9 | 7 | 7 | 12 | 9 | 10 | 11 | 10 | 11 | 16 | 11 | 11 | 15 | 11 | 12 | 18 | 15 |
chill °C | 9 | 7 | 7 | 12 | 9 | 10 | 11 | 10 | 10 | 16 | 11 | 11 | 15 | 11 | 12 | 18 | 15 |
Freezing level m | 2450 | 2350 | 2350 | 2550 | 2550 | 2550 | 2550 | 2650 | 2850 | 3050 | 3000 | 2950 | 3100 | 3450 | 3500 | 3400 | 3400 |
 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — |
 | 7:43 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 12mm), heaviest on Fri afternoon. Very mild (max 14°C on Sun morning, min 7°C on Thu night). 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 Sun 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 |  | ||||
| |||||
* 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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