– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 8mm), mostly falling on Tue morning. Mild temperatures (max 5°C on Mon morning, min 1°C on Tue night). Winds decreasing (near gales from the W on Mon night, light winds from the W by Wed night). | Days 4–6 Weather SummaryModerate rain (total 16mm), heaviest on Thu night. Mild temperatures (max 9°C on Sat afternoon, min 3°C on Thu afternoon). Winds decreasing (strong winds from the W on Thu afternoon, calm by Sat night). | |||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  | |  |  | |  |  | |  | | |
clear | clear | light rain | light rain | light rain | rain shwrs | clear | clear | some clouds | light rain | mod. rain | mod. rain | light rain | rain shwrs | clear | clear | some clouds | some clouds | |
Cloud base (m) | 8350 | 3350 | 900 | 850 | 850 | 900 | 9300 | 3200 | 2400 | 1600 | 850 | 900 | 900 | 950 | 1000 | 7200 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 1.1 | 3 | 3 | 0.5 | — | — | — | 0.1 | 6 | 8 | 1.2 | 1.1 | — | — | — | — |
max °C | 5 | 5 | 4 | 3 | 4 | 2 | 3 | 5 | 5 | 4 | 3 | 4 | 4 | 4 | 5 | 7 | 9 | 8 |
min °C | 3 | 5 | 3 | 3 | 4 | 1 | 1 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 5 | 9 | 7 |
chill °C | -2 | 0 | -3 | -4 | -3 | -6 | -5 | 2 | 1 | -1 | -3 | -3 | -3 | -2 | 1 | 3 | 8 | 7 |
Freezing level m | 3050 | 2950 | 3400 | 3100 | 3100 | 2850 | 3150 | 3100 | 3200 | 3250 | 3000 | 3000 | 2900 | 3050 | 3750 | 3950 | 4150 | 4100 |
 | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:40 | — | — | 6:38 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Light rain (total 8mm), mostly falling on Tue morning. Mild temperatures (max 5°C on Mon morning, min 1°C on Tue night). Winds decreasing (near gales from the W on Mon night, light winds from the W by Wed night).
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 16mm), heaviest on Thu night. Mild temperatures (max 9°C on Sat afternoon, min 3°C on Thu afternoon). Winds decreasing (strong winds from the W on Thu afternoon, calm by Sat night).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
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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