– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Tue 15 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 15 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 12°C on Thu morning, min 2°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 13°C on Sun afternoon, min 2°C on Mon afternoon). Winds increasing (calm on Fri night, near gales from the WNW by Mon afternoon). | |||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | | | | | | | |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 9300 | 9050 | 8650 | 6550 | ||||||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 4 | 7 | 9 | 9 | 12 | 12 | 10 | 9 | 10 | 8 | 11 | 12 | 10 | 12 | 13 | 10 |
min °C | 2 | 4 | 9 | 8 | 9 | 12 | 7 | 7 | 10 | 8 | 9 | 12 | 10 | 10 | 12 | 7 |
chill °C | -1 | 0 | 8 | 6 | 8 | 11 | 6 | 6 | 10 | 6 | 8 | 11 | 9 | 8 | 10 | 3 |
Freezing level m | 2900 | 3400 | 3550 | 3950 | 3900 | 3900 | 3850 | 3750 | 3700 | 3900 | 4000 | 3950 | 4100 | 4050 | 3950 | 3800 |
 | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — |
 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 12°C on Thu morning, min 2°C on Tue night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 13°C on Sun afternoon, min 2°C on Mon afternoon). Winds increasing (calm on Fri night, near gales from the WNW by Mon afternoon).
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 2296 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Grindstone Mountain. 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 |
|---|---|---|---|---|---|
 | |||||
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Winthrop Airport (Washington) | | ||||
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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