– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 19°C on Wed afternoon, min 8°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min -1°C on Fri night). Wind will be generally light. | |||||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | | | |  |  |  | |  |  | | | | |
some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | rain shwrs | light rain | some clouds | some clouds | snow shwrs | snow shwrs | clear | some clouds | clear | |
Cloud base (m) | 8300 | 9150 | 9500 | 8800 | 9050 | 9600 | 8550 | 850 | 850 | 900 | 1500 | 1700 | 950 | 1550 | 2500 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 0.4 | 2 | — | — | 0.5 | — | — | — | — |
max °C | 14 | 18 | 13 | 16 | 19 | 14 | 16 | 18 | 13 | 6 | 6 | 2 | 2 | 3 | 1 | 3 | 6 | 3 |
min °C | 11 | 16 | 13 | 13 | 18 | 13 | 13 | 17 | 8 | 6 | 3 | -1 | 0 | 2 | 0 | 0 | 6 | 3 |
chill °C | 10 | 16 | 13 | 13 | 18 | 12 | 13 | 17 | 5 | 2 | -1 | -5 | -3 | 2 | -2 | -2 | 5 | 3 |
Freezing level m | 4100 | 4150 | 4250 | 4150 | 4050 | 4250 | 4250 | 4150 | 4000 | 2600 | 2000 | 1400 | 1700 | 1800 | 1450 | 1900 | 2200 | 2600 |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — |
 | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 19°C on Wed afternoon, min 8°C on Thu night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min -1°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 |
|---|---|---|---|---|---|
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Winthrop Airport (Washington) |  | ||||
Seattl / oeing Airport | |
* 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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