– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 pm Fri 06 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 06 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 06 Mar Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 20mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 10°C on Sat morning, min -2°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryA moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 75mm), heaviest during Wed night. Freeze-thaw conditions (max 7°C on Wed afternoon, min -3°C on Mon night). Wind will be generally light. | ||||||||||||||||
Fri 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  |  | |  |  |  |  |  | | | |
light rain | light rain | light rain | light rain | heavy rain | mod. rain | light rain | some clouds | snow shwrs | snow shwrs | snow shwrs | some clouds | light snow | light snow | heavy rain | heavy rain | heavy rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 2 | 3 | 3 | — | 1 | 4 | — | — | — | |
1.3 | 1.2 | 0.2 | 0.2 | 10 | 6 | 0.9 | — | — | — | — | — | — | — | 15 | 14 | 41 | |
max °C | 7 | 8 | 10 | 8 | 8 | 7 | 2 | -1 | 2 | 1 | -1 | 2 | 2 | 2 | 5 | 7 | 6 |
min °C | 6 | 6 | 9 | 8 | 6 | 4 | 0 | -2 | 2 | -1 | -3 | 1 | 1 | 1 | 4 | 6 | 4 |
4 | 4 | 7 | 6 | 4 | 1 | -3 | -5 | 0 | -4 | -6 | -2 | -1 | -1 | 3 | 4 | 0 | |
1650 | 2300 | 3000 | 2550 | 2650 | 1550 | 850 | 250 | 750 | 650 | 200 | 600 | 750 | 650 | 1050 | 1450 | 1500 | |
Cloud base (m) | 900 | 900 | 900 | 900 | 900 | 850 | 850 | 1450 | 900 | 1450 | 900 | 950 | 1700 | 900 | 900 | 900 | 850 |
 | — | — | 6:31 | — | — | 7:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — |
 | 5:55 | — | — | 5:57 | — | — | 6:59 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 20mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 10°C on Sat morning, min -2°C on Sun night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
A moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 75mm), heaviest during Wed night. Freeze-thaw conditions (max 7°C on Wed afternoon, min -3°C on Mon 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.