– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Sat 05 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sat 05 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 05 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 10°C on Tue afternoon, min 2°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 15°C on Wed afternoon, min 4°C on Fri morning). Winds increasing (light winds from the WNW on Wed morning, strong winds from the WNW by Thu afternoon). | |||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  | | | | | | | | | |
rain shwrs | some clouds | some clouds | rain shwrs | cloudy | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | |
Cloud base (m) | 3300 | 2900 | 2250 | 2700 | 5900 | 9400 | 8900 | 900 | ||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | — | — | 0.2 | — | 0.1 | — | — | — | — | — | — | — | — | — | 0.1 |
max °C | 2 | 4 | 6 | 4 | 4 | 5 | 4 | 8 | 10 | 10 | 13 | 15 | 13 | 12 | 11 | 9 |
min °C | 2 | 3 | 5 | 2 | 3 | 5 | 4 | 6 | 10 | 9 | 11 | 15 | 12 | 11 | 10 | 5 |
chill °C | 0 | 2 | 3 | -1 | 0 | 3 | 4 | 6 | 10 | 7 | 10 | 14 | 9 | 7 | 6 | 0 |
Freezing level m | 2650 | 2750 | 2850 | 2850 | 2850 | 2950 | 3200 | 3500 | 3550 | 4100 | 4450 | 4600 | 4750 | 4250 | 3800 | 3650 |
 | — | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — |
 | — | — | 7:34 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 10°C on Tue afternoon, min 2°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 15°C on Wed afternoon, min 4°C on Fri morning). Winds increasing (light winds from the WNW on Wed morning, strong winds from the WNW 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
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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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