– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryDrizzle on Thu night turning to light snow on Thu night. Freeze-thaw conditions (max 8°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Tue morning, min -1°C on Sun night). Winds increasing (calm on Sat night, strong winds from the W by Tue morning). | |||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | |  | | | | | | | |
some clouds | some clouds | cloudy | light snow | snow shwrs | snow shwrs | snow shwrs | clear | some clouds | cloudy | cloudy | clear | some clouds | clear | some clouds | some clouds | |
Cloud base (m) | 6550 | 3150 | 2500 | 1450 | 1750 | 1600 | 950 | 6350 | 4950 | 4650 | 2500 | 1950 | 1850 | 900 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | 3 | 1 | 2 | 3 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 1.1 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 6 | 8 | 7 | 1 | 2 | -3 | 0 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
min °C | 4 | 5 | 7 | 2 | 1 | 0 | -4 | -3 | 1 | 0 | 0 | 2 | -1 | -1 | 0 | 0 |
chill °C | 0 | 2 | 4 | -3 | -3 | -7 | -13 | -10 | -3 | -2 | -2 | -2 | -8 | -8 | -7 | -6 |
Freezing level m | 3500 | 3450 | 3550 | 2900 | 2400 | 2300 | 1700 | 2250 | 2450 | 2400 | 2550 | 2600 | 2250 | 2400 | 2250 | 2450 |
 | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Drizzle on Thu night turning to light snow on Thu night. Freeze-thaw conditions (max 8°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat afternoon).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 3°C on Tue morning, min -1°C on Sun night). Winds increasing (calm on Sat night, strong winds from the W by Tue morning).
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 | | ||||
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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