– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 27mm), heaviest during Sat night. Very mild (max 14°C on Sat afternoon, min 4°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Thu afternoon, min 5°C on Mon night). Wind will be generally light. | |||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | |  | | | |  | | | |
some clouds | cloudy | cloudy | heavy rain | heavy rain | light rain | rain shwrs | some clouds | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 5100 | 4700 | 5950 | 850 | 900 | 900 | 1700 | 950 | 1850 | 3200 | 2750 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 14 | 11 | 1.6 | 0.6 | — | — | — | — | — | — | — | — | — |
max °C | 11 | 13 | 14 | 11 | 5 | 5 | 6 | 7 | 10 | 6 | 10 | 13 | 11 | 14 | 17 | 14 |
min °C | 10 | 10 | 14 | 5 | 5 | 5 | 4 | 4 | 10 | 5 | 6 | 11 | 10 | 11 | 17 | 12 |
chill °C | 9 | 10 | 13 | 3 | 3 | 3 | 1 | 2 | 9 | 4 | 6 | 11 | 10 | 11 | 17 | 12 |
Freezing level m | 2950 | 3000 | 3000 | 2500 | 2400 | 2550 | 3300 | 3400 | 3200 | 3150 | 2750 | 2900 | 3450 | 3900 | 3850 | 4200 |
 | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 27mm), heaviest during Sat night. Very mild (max 14°C on Sat afternoon, min 4°C on Sun night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 19°C on Thu afternoon, min 5°C on Mon night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 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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Winthrop Airport (Washington) |  |
* 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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