– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 9 pm Sat 13 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 70mm), heaviest during Sun night. Very mild (max 12°C on Mon morning, min 5°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryMild with heavy rain (total 71mm), heaviest during Tue night. Becoming colder with a moderate fall of snow heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Tue night, min -2°C on Thu night). Winds decreasing (strong winds from the W on Tue night, calm by Wed night). | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  |  |  | |  | | |  | | | | |
rain shwrs | light rain | some clouds | heavy rain | heavy rain | light rain | mod. rain | heavy rain | mod. rain | light snow | light snow | mod. rain | light rain | heavy rain | heavy rain | snow shwrs | light snow | light snow | snow shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | 1 | 3 | 2 | 2 | |
0.9 | 1 | — | 24 | 12 | 4 | 6 | 13 | 10 | 34 | 3 | 6 | 2 | 11 | 13 | 2 | 1.5 | — | — | |
max°C | 9 | 10 | 9 | 10 | 12 | 11 | 6 | 6 | 7 | 6 | 3 | 3 | 3 | 2 | 5 | 3 | 2 | 0 | 1 |
min°C | 8 | 8 | 8 | 9 | 10 | 7 | 5 | 5 | 6 | 1 | 2 | 2 | 2 | 2 | 5 | -2 | 1 | 0 | -1 |
8 | 7 | 7 | 9 | 10 | 4 | 2 | 5 | 5 | -6 | -4 | -1 | 0 | 0 | 3 | -5 | 0 | -2 | -4 | |
2750 | 2050 | 2200 | 2500 | 2750 | 2300 | 1250 | 1300 | 1650 | 1500 | 800 | 950 | 900 | 900 | 1300 | 200 | 700 | 550 | 650 | |
Cloud base (m) | 950 | 1600 | 900 | 900 | 850 | 900 | 850 | 850 | 1350 | 1450 | 900 | 900 | 850 | 1350 | 1400 | 1400 | 1400 | 900 | |
 | — | 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 70mm), heaviest during Sun night. Very mild (max 12°C on Mon morning, min 5°C on Mon night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mild with heavy rain (total 71mm), heaviest during Tue night. Becoming colder with a moderate fall of snow heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Tue night, min -2°C on Thu night). Winds decreasing (strong winds from the W on Tue night, calm by Wed night).
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.