– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 pm Wed 20 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMild with light rain (total 2mm) on Sun night Becoming colder with a light covering of snow, mostly falling on Sun night. Very mild (max 15°C on Sat afternoon, min 1°C on Sun night). Wind will be generally light. | ||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | | | | |  |  | |  | |
some clouds | clear | clear | some clouds | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | light snow | light snow | light snow | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | |
max °C | 13 | 9 | 13 | 15 | 12 | 13 | 15 | 12 | 13 | 15 | 11 | 11 | 12 | 6 | 2 | 2 | 2 |
min °C | 12 | 7 | 10 | 14 | 8 | 10 | 15 | 7 | 9 | 14 | 6 | 7 | 9 | 1 | 2 | 2 | 1 |
10 | 6 | 10 | 13 | 6 | 9 | 14 | 5 | 7 | 13 | 3 | 4 | 6 | -3 | -1 | -2 | -3 | |
2950 | 2750 | 2850 | 3050 | 3100 | 2950 | 3300 | 3400 | 3450 | 3350 | 3200 | 3050 | 2750 | 1900 | 1850 | 1800 | 1900 | |
Cloud base (m) | 2800 | 7650 | 3850 | 9300 | 8650 | 8400 | 1550 | 5900 | 2750 | 850 | 850 | 850 | 900 | ||||
 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — |
 | — | 8:39 | — | — | 8:40 | — | — | 8:42 | — | — | 8:43 | — | — | 8:45 | — | — | 8:45 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Wed night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mild with light rain (total 2mm) on Sun night Becoming colder with a light covering of snow, mostly falling on Sun night. Very mild (max 15°C on Sat afternoon, min 1°C on Sun night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 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.