– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 am Fri 20 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow turning to light rain (total 10mm) on Sun morning. Freeze-thaw conditions (max 4°C on Sun morning, min -5°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 30mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Mon morning, min 0°C on Tue night). Wind will be generally light. | |||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  | |  |  |  | |  | |  | | |  | |
cloudy | cloudy | cloudy | cloudy | light snow | light snow | light rain | light rain | rain shwrs | mod. rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | snow shwrs | rain shwrs | rain shwrs | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | 4 | 3 | 3 | 7 | 13 | 6 | 0.7 | 0.3 | 2 | 0.3 | 0.2 | — | |
max °C | 2 | 2 | -3 | 1 | 1 | 1 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 2 | 4 | 4 | 1 |
min °C | -1 | -2 | -5 | -1 | 0 | -1 | 3 | 3 | 1 | 4 | 4 | 1 | 3 | 1 | 0 | 3 | 0 | 0 |
-3 | -2 | -7 | -4 | -2 | -3 | 1 | 2 | 1 | 4 | 4 | -2 | 0 | -2 | -4 | 0 | -3 | -3 | |
400 | 800 | 0 | 350 | 650 | 550 | 1000 | 1100 | 1100 | 1150 | 1250 | 1300 | 950 | 1100 | 750 | 950 | 1050 | 550 | |
Cloud base (m) | 900 | 1550 | 1500 | 950 | 900 | 900 | 900 | 900 | 900 | 1850 | 850 | 850 | 900 | 1500 | 900 | 900 | 1500 | 950 |
 | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | 5:34 | — | — | 5:36 | — | — | 5:37 | — | — | 5:38 | — | — | 5:40 | — | — | 5:42 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A dusting of snow turning to light rain (total 10mm) on Sun morning. Freeze-thaw conditions (max 4°C on Sun morning, min -5°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Heavy rain (total 30mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Mon morning, min 0°C on Tue 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) | | ||||
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.