– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 pm Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with moderate rain (total 10mm) on Sat afternoon, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 18mm), heaviest on Thu afternoon. Mild temperatures (max 5°C on Wed morning, min 1°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | |  | | | | | |  | |
mod. rain | rain shwrs | light rain | light rain | snow shwrs | cloudy | cloudy | light snow | cloudy | light rain | cloudy | light rain | light rain | cloudy | light rain | mod. rain | mod. rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | 3 | — | — | 2 | — | — | — | — | — | — | — | — | — | |
9 | 1.2 | 0.1 | 0.1 | — | — | — | — | — | 0.1 | — | 0.4 | 0.1 | — | 5 | 7 | 6 | |
max °C | 3 | 2 | 4 | 3 | 1 | 3 | 1 | 2 | 4 | 3 | 1 | 5 | 4 | 2 | 3 | 3 | 4 |
min °C | 3 | 1 | 3 | 1 | -3 | 2 | 1 | 1 | 2 | 1 | 1 | 3 | 2 | 1 | 2 | 2 | 2 |
1 | 0 | 3 | 0 | -3 | 2 | 0 | 1 | 2 | 1 | 1 | 3 | 2 | 1 | 0 | 2 | 2 | |
1050 | 650 | 1000 | 900 | 700 | 750 | 650 | 750 | 900 | 950 | 650 | 1050 | 1200 | 650 | 850 | 950 | 1000 | |
Cloud base (m) | 850 | 850 | 1400 | 1500 | 1400 | 1650 | 1750 | 850 | 850 | 1400 | 1350 | 1400 | 1400 | 850 | 850 | 1350 | 1400 |
 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — |
 | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mild with moderate rain (total 10mm) on Sat afternoon, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Sun night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Thu afternoon. Mild temperatures (max 5°C on Wed morning, min 1°C on Tue afternoon). 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.