– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 21 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 12°C on Mon afternoon, min 2°C on Tue night). Mainly fresh winds. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 4°C on Thu afternoon, min -3°C on Fri morning). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sat morning). | ||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  | |  | | |  | | |  | |
some clouds | some clouds | clear | clear | some clouds | cloudy | clear | some clouds | light rain | light rain | light rain | cloudy | some clouds | clear | clear | clear | cloudy | |
Cloud base (m) | 6200 | 900 | 900 | 900 | 2350 | 6000 | 2250 | 1650 | 850 | 900 | 900 | 6900 | 2550 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 0.6 | 2 | 1.4 | — | — | — | — | — | — |
max °C | 12 | 8 | 7 | 7 | 4 | 4 | 5 | 5 | 4 | 4 | 3 | -3 | -2 | 0 | 2 | 4 | 3 |
min °C | 11 | 6 | 6 | 6 | 2 | 3 | 5 | 4 | 3 | 3 | -1 | -3 | -3 | -3 | 0 | 4 | 0 |
chill °C | 9 | 2 | 2 | 2 | -4 | -2 | 1 | 0 | -2 | -2 | -8 | -11 | -12 | -11 | 0 | 1 | -7 |
Freezing level m | 3800 | 3750 | 3550 | 3350 | 3000 | 2950 | 3000 | 3350 | 2800 | 3000 | 2500 | 1700 | 2050 | 2100 | 2800 | 2950 | 2450 |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — |
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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 Mon afternoon, min 2°C on Tue night). Mainly fresh winds.
Grindstone Mountain Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 4°C on Thu afternoon, min -3°C on Fri morning). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sat 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
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SHIP4241 | |||||
SHIP7800 | |||||
SHIP2585 |
* 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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