– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Sun 11 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 11 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -5°C on Sun morning). Winds increasing (calm on Mon morning, fresh winds from the WNW by Tue night). | Days 4–6 Weather SummaryMostly dry. Very mild (max 10°C on Fri afternoon, min 3°C on Wed morning). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night). | |||||||||||||||||
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  |  | |  | | | | | | | |
clear | some clouds | clear | clear | clear | clear | some clouds | cloudy | some clouds | light rain | cloudy | rain shwrs | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 1700 | 2350 | 900 | 2550 | 2100 | 1700 | 950 | 1000 | 1650 | 950 | 1800 | 9600 | 9500 | 9000 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 0.1 | — | 0.2 | — | — | — | — | — | — |
max °C | -4 | -2 | -1 | 1 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 6 | 6 | 7 | 7 | 8 | 10 | 9 |
min °C | -5 | -2 | -3 | -1 | 2 | 2 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 7 | 10 | 8 |
chill °C | -12 | -6 | -7 | -4 | 0 | -1 | -4 | -4 | -4 | -3 | -1 | 1 | 4 | 4 | 5 | 6 | 9 | 6 |
Freezing level m | 1800 | 2050 | 1800 | 2550 | 3050 | 3350 | 2900 | 2800 | 2900 | 2950 | 3000 | 3650 | 3750 | 3750 | 4000 | 4050 | 4100 | 3950 |
 | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:17 | — | — | 6:15 | — | — | 6:14 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -5°C on Sun morning). Winds increasing (calm on Mon morning, fresh winds from the WNW by Tue night).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 10°C on Fri afternoon, min 3°C on Wed morning). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night).
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 2296 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
| |||||
Winthrop Airport (Washington) | | ||||
SeattleS.-Tacoma-Wa. | |||||
Seattl / oeing Airport | | ||||
BUOY-EBSW1 |
* 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.
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