– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 05 Oct 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 12°C on Tue afternoon, min 9°C on Mon night). Winds decreasing (fresh winds from the W on Mon afternoon, light winds from the WNW by Thu morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 13°C on Thu afternoon, min -6°C on Sun morning). Winds decreasing (near gales from the W on Fri afternoon, calm by Sat afternoon). | ||||||||||||||||
Mon 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | |  |  | | |  | |
clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | snow shwrs | some clouds | some clouds | light snow | |
Cloud base (m) | 7800 | 900 | 8200 | 9150 | 9450 | 9250 | 8500 | 8750 | 8450 | 1650 | 900 | 1600 | 1750 | 850 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 5 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 0.4 | — | — | — | — |
max °C | 10 | 9 | 10 | 12 | 10 | 11 | 12 | 10 | 11 | 13 | 11 | 7 | 6 | 1 | -1 | -2 | -4 |
min °C | 10 | 9 | 9 | 11 | 10 | 10 | 12 | 10 | 10 | 12 | 9 | 7 | 2 | -2 | -2 | -3 | -5 |
chill °C | 6 | 5 | 6 | 9 | 8 | 8 | 10 | 8 | 9 | 10 | 5 | 2 | -5 | -10 | -7 | -3 | -9 |
Freezing level m | 4100 | 4250 | 4100 | 4100 | 4200 | 4100 | 4150 | 4250 | 4150 | 4150 | 4200 | 3700 | 2650 | 2000 | 2100 | 1850 | 1500 |
 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — |
 | 6:35 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 12°C on Tue afternoon, min 9°C on Mon night). Winds decreasing (fresh winds from the W on Mon afternoon, light winds from the WNW by Thu morning).
Grindstone Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 13°C on Thu afternoon, min -6°C on Sun morning). Winds decreasing (near gales from the W on Fri afternoon, calm by Sat afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
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 | |||||
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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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