– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Fri morning. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Thu night). Mainly strong winds. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -4°C on Fri night). Winds decreasing (near gales from the WNW on Fri afternoon, calm by Sat afternoon). | ||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  | | | | |  |  | | | |
clear | clear | some clouds | clear | some clouds | some clouds | some clouds | rain shwrs | light snow | light snow | clear | clear | some clouds | cloudy | cloudy | cloudy | some clouds | |
Cloud base (m) | 900 | 6100 | 8300 | 7100 | 3550 | 1850 | 1800 | 900 | 950 | 950 | 2650 | 5950 | 2950 | 2550 | 2200 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | 1.1 | — | — | — | — | — | — | — | — | — |
max °C | 8 | 4 | 5 | 6 | 5 | 6 | 7 | 5 | 1 | -2 | -3 | 0 | 3 | 2 | 1 | 2 | 0 |
min °C | 7 | 3 | 4 | 6 | 4 | 5 | 7 | 1 | 1 | -3 | -4 | -2 | 2 | 1 | 0 | 1 | -1 |
chill °C | 3 | -2 | -1 | 2 | -1 | 2 | 4 | -4 | -2 | -13 | -13 | -7 | 1 | -3 | -2 | -2 | -5 |
Freezing level m | 3500 | 3300 | 3200 | 3050 | 3450 | 3400 | 3250 | 2700 | 2400 | 1800 | 1650 | 2350 | 2650 | 2700 | 2450 | 2400 | 2100 |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 7:01 | — | — | 7:00 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Drizzle at first, then turning colder with dusting of snow on Fri morning. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Thu night). Mainly strong winds.
Grindstone Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -4°C on Fri night). Winds decreasing (near gales from the WNW 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
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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