– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Sun 06 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 06 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 06 Sep 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 13°C on Wed afternoon, min 2°C on Sun night). Winds increasing (calm on Tue morning, fresh winds from the WNW by Wed afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 11°C on Wed night, min -2°C on Sat morning). Winds decreasing (near gales from the WNW on Wed night, light winds from the NW by Fri night). | |||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | | | | | | | |
rain shwrs | some clouds | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | some clouds | |
Cloud base (m) | 2600 | 950 | 2450 | 950 | 3450 | 9100 | 8650 | 850 | 2250 | 1450 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | — | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 4 | 3 | 5 | 5 | 8 | 10 | 10 | 12 | 13 | 11 | 7 | 8 | 6 | 3 | 3 | 0 |
min °C | 2 | 2 | 4 | 4 | 6 | 9 | 9 | 10 | 13 | 7 | 7 | 8 | 3 | 2 | 2 | -1 |
chill °C | -2 | -1 | 4 | 3 | 6 | 9 | 8 | 8 | 11 | 1 | 2 | 4 | -2 | -4 | -3 | -7 |
Freezing level m | 2800 | 2850 | 3000 | 3200 | 3350 | 3500 | 3950 | 4300 | 4300 | 4100 | 3550 | 3550 | 3600 | 2850 | 2500 | 2100 |
 | — | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — | — | 7:23 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 13°C on Wed afternoon, min 2°C on Sun night). Winds increasing (calm on Tue morning, fresh winds from the WNW by Wed afternoon).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 11°C on Wed night, min -2°C on Sat morning). Winds decreasing (near gales from the WNW on Wed night, light winds from the NW by Fri 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) |  | ||||
Seattl / oeing Airport | |
* 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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