– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 am Tue 16 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 16 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 16 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 119mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 7°C on Tue afternoon, min 1°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun morning will be washed away by heavy rain (total 20mm) on Sun morning. Freeze-thaw conditions (max 5°C on Sun afternoon, min -3°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | |  | | |  |  |  | | |  | |
heavy rain | heavy rain | light snow | mod. rain | light rain | rain shwrs | mod. rain | heavy rain | light snow | light snow | light snow | light snow | rain shwrs | cloudy | cloudy | light snow | light rain | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 2 | — | — | — | — | — | 2 | 1 | 2 | 2 | — | — | — | 2 | — | — | |
15 | 18 | 39 | 7 | 4 | 0.9 | 9 | 16 | 8 | 1.6 | — | — | 1.4 | — | — | 6 | 5 | 7 | |
max°C | 6 | 7 | 7 | 3 | 3 | 2 | 2 | 5 | 5 | 2 | 1 | 2 | 4 | 2 | 0 | 2 | 5 | 3 |
min°C | 6 | 6 | 2 | 3 | 3 | 2 | 2 | 5 | 1 | 2 | 1 | 1 | 3 | -1 | -3 | 1 | 5 | 2 |
5 | 5 | -4 | -2 | 0 | 0 | 0 | 4 | -3 | -1 | -2 | -2 | 1 | -1 | -3 | 0 | 4 | 2 | |
1450 | 1650 | 1750 | 900 | 950 | 900 | 850 | 1250 | 850 | 800 | 700 | 600 | 950 | 800 | 0 | 600 | 1250 | 1000 | |
Cloud base (m) | 850 | 850 | 1350 | 1450 | 900 | 900 | 850 | 1350 | 1400 | 1400 | 1400 | 900 | 900 | 900 | 900 | 1450 | 1400 | 1400 |
 | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:48 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 119mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 7°C on Tue afternoon, min 1°C on Thu night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sun morning will be washed away by heavy rain (total 20mm) on Sun morning. Freeze-thaw conditions (max 5°C on Sun afternoon, min -3°C on Sat night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 500 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) |  |
* 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.