– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 20°C on Thu afternoon, min 11°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Tue morning. Warm (max 20°C on Sun afternoon, min 3°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | | |  | |  |  | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | rain shwrs | rain shwrs | rain shwrs | clear | |
Cloud base (m) | 8500 | 8950 | 9250 | 8950 | 8800 | 9550 | 6400 | 1600 | 900 | 2150 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.7 | 0.2 | — |
max °C | 17 | 20 | 14 | 15 | 17 | 12 | 16 | 19 | 14 | 17 | 20 | 14 | 13 | 15 | 9 | 4 | 7 | 4 |
min °C | 13 | 19 | 11 | 11 | 17 | 11 | 12 | 18 | 13 | 14 | 19 | 11 | 10 | 14 | 6 | 4 | 7 | 3 |
chill °C | 13 | 19 | 10 | 10 | 17 | 11 | 12 | 18 | 13 | 14 | 19 | 10 | 9 | 13 | 3 | 0 | 4 | 1 |
Freezing level m | 3900 | 3900 | 3850 | 3750 | 3700 | 3850 | 3900 | 3850 | 4000 | 4000 | 4000 | 3950 | 3700 | 3550 | 3100 | 2100 | 2300 | 3100 |
 | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 20°C on Thu afternoon, min 11°C on Thu night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Some drizzle, heaviest during Tue morning. Warm (max 20°C on Sun afternoon, min 3°C on Tue 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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