– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 11°C on Fri afternoon, min 4°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 17°C on Sun afternoon, min 9°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  |  | |  | |  | | | | |
light rain | some clouds | some clouds | some clouds | cloudy | cloudy | cloudy | light rain | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 900 | 8750 | 5350 | 3300 | 2450 | 2100 | 1950 | 1550 | 900 | 6900 | 9050 | 9400 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.9 | — | — | — | — | — | — | 0.1 | 0.1 | — | — | — | — | — | — | — |
max °C | 8 | 7 | 10 | 8 | 8 | 9 | 10 | 10 | 11 | 9 | 12 | 14 | 11 | 13 | 17 | 14 |
min °C | 5 | 4 | 10 | 7 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 14 | 10 | 10 | 17 | 13 |
chill °C | 2 | 2 | 9 | 6 | 8 | 9 | 8 | 8 | 9 | 8 | 8 | 14 | 10 | 10 | 17 | 12 |
Freezing level m | 2950 | 3100 | 3200 | 3150 | 3300 | 3350 | 3350 | 3250 | 3550 | 3650 | 3900 | 4000 | 4150 | 4200 | 4150 | 4100 |
 | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | — | 6:45 | — | — | 6:43 | — | — | 6:40 | — | — | 6:38 | — | — | 6:37 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Some drizzle, heaviest during Tue night. Very mild (max 11°C on Fri afternoon, min 4°C on Wed morning). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Sun afternoon, min 9°C on Fri 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
| |||||
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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