– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 9 am Sun 14 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 110mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Very mild (max 13°C on Mon morning, min 1°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 22mm) on Thu morning. Freeze-thaw conditions (max 6°C on Thu afternoon, min -3°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  |  | | |  | |  |  | |  | |
light rain | cloudy | heavy rain | heavy rain | light rain | light rain | heavy rain | heavy rain | light snow | mod. rain | light rain | light snow | light snow | light rain | rain shwrs | rain shwrs | light snow | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 4 | — | — | 1 | 3 | — | — | — | 1 | 3 | |
1.8 | — | 21 | 14 | 5 | 3 | 11 | 14 | 42 | 7 | 5 | 1 | 5 | 2 | 1.4 | 0.9 | — | — | |
max°C | 9 | 9 | 10 | 13 | 11 | 6 | 7 | 7 | 6 | 3 | 2 | 2 | 2 | 6 | 4 | 3 | 0 | 1 |
min°C | 8 | 9 | 10 | 11 | 7 | 4 | 5 | 7 | 1 | 2 | 2 | 2 | 2 | 5 | -1 | 1 | 0 | -3 |
7 | 8 | 10 | 10 | 4 | 1 | 4 | 6 | -5 | -3 | -2 | -1 | 0 | 2 | -4 | -1 | -2 | -6 | |
2100 | 2200 | 2600 | 2700 | 2150 | 1200 | 1200 | 1700 | 1500 | 850 | 900 | 900 | 800 | 1400 | 650 | 650 | 500 | 300 | |
Cloud base (m) | 1900 | 1500 | 900 | 850 | 850 | 1500 | 850 | 850 | 1350 | 1450 | 900 | 900 | 850 | 1350 | 1400 | 1400 | 1400 | 1400 |
 | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 110mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Very mild (max 13°C on Mon morning, min 1°C on Tue night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 22mm) on Thu morning. Freeze-thaw conditions (max 6°C on Thu afternoon, min -3°C on Fri 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.