– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with light rain (total 4mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Fri night). Winds increasing (light winds from the SSW on Wed night, near gales from the SSW by Thu night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Sat morning). Winds decreasing (fresh winds from the NW on Sat morning, calm by Sun afternoon). | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  |  | | | |  | |  | | | | |
some clouds | clear | some clouds | some clouds | some clouds | light snow | snow shwrs | light snow | snow shwrs | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | |
Cloud base (m) | 5900 | 8250 | 6350 | 3400 | 1600 | 2350 | 1600 | 950 | 900 | 8450 | 6450 | 6050 | 5300 | 5350 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 1 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 6 | 5 | 6 | 7 | 6 | 1 | 1 | -2 | -1 | 1 | 1 | 2 | 3 | 2 | 4 | 5 | 4 |
min °C | 4 | 6 | 4 | 5 | 7 | 2 | 1 | -2 | -3 | -3 | 1 | 1 | 1 | 3 | 1 | 2 | 5 | 3 |
chill °C | -1 | 2 | -1 | 2 | 4 | -4 | -5 | -10 | -11 | -10 | -3 | 0 | 1 | 3 | -4 | -3 | 2 | 0 |
Freezing level m | 3150 | 3050 | 3450 | 3400 | 3400 | 2650 | 2350 | 2000 | 1700 | 2150 | 2500 | 2500 | 2750 | 2700 | 2800 | 3100 | 3050 | 3350 |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:00 | — | — | 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: Mild with light rain (total 4mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Fri night). Winds increasing (light winds from the SSW on Wed night, near gales from the SSW by Thu night).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Sat morning). Winds decreasing (fresh winds from the NW on Sat morning, calm by Sun 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
SHIP5889 | |||||
SHIP5686 | |||||
SHIP7823 |
* 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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