– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 pm Wed 10 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 28mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Wed night). Winds decreasing (strong winds from the W on Wed night, light winds from the WSW by Sat morning). | Days 5–7 Weather SummaryHeavy rain (total 24mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon afternoon). | ||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  |  |  |  | |  |  | |  | |
heavy rain | heavy snow | light snow | cloudy | light rain | light rain | light rain | cloudy | clear | some clouds | rain shwrs | rain shwrs | cloudy | mod. rain | mod. rain | mod. rain | snow shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 13 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
12 | 14 | — | — | 1.4 | 0.7 | 0.1 | — | — | — | 2 | 0.2 | — | 5 | 7 | 9 | — | |
max°C | 7 | 6 | 0 | 1 | 3 | 4 | 4 | 3 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 0 |
min°C | 7 | 0 | 0 | 1 | 1 | 4 | 3 | 2 | 5 | 6 | 2 | 3 | 4 | 4 | 4 | 3 | -3 |
2 | -5 | -5 | -3 | -2 | 1 | -1 | -2 | 4 | 5 | -1 | 0 | 3 | 4 | 2 | -3 | -8 | |
3000 | 2550 | 1650 | 1850 | 2350 | 2550 | 3200 | 3350 | 3250 | 3000 | 2550 | 2150 | 2350 | 2400 | 2300 | 2300 | 1300 | |
Cloud base (m) | 850 | 850 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 8900 | 900 | 950 | 900 | 900 | 850 | 900 | |
 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — |
 | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mild with heavy rain (total 28mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Wed night). Winds decreasing (strong winds from the W on Wed night, light winds from the WSW by Sat morning).
Grindstone Mountain Weather (Days 3-6):
Heavy rain (total 24mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon afternoon).
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 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 |  | ||||
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* 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.