– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 12°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 8°C on Mon night, min 1°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Thu afternoon). | |||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  | |  |  | | | | | | |
clear | clear | clear | clear | clear | clear | clear | some clouds | clear | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | clear | |
Cloud base (m) | 9500 | 8150 | 6650 | 900 | 2400 | 900 | ||||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 11 | 12 | 10 | 12 | 12 | 11 | 10 | 11 | 8 | 7 | 8 | 4 | 4 | 4 | 2 |
min °C | 8 | 9 | 12 | 10 | 10 | 12 | 10 | 9 | 11 | 6 | 6 | 7 | 3 | 3 | 4 | 1 |
chill °C | 8 | 8 | 12 | 9 | 9 | 12 | 8 | 6 | 9 | 2 | 3 | 3 | -2 | -1 | -1 | -3 |
Freezing level m | 3850 | 3800 | 3750 | 4000 | 4050 | 4000 | 4000 | 3900 | 3800 | 3900 | 3650 | 3350 | 3200 | 2900 | 2800 | 2900 |
 | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 12°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Mild temperatures (max 8°C on Mon night, min 1°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Thu afternoon).
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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