– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Tue 16 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 16 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 16 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 20°C on Wed afternoon, min 10°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Very mild (max 18°C on Mon afternoon, min 6°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | | | | |  |  |  | | | | |  | |
clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | light rain | rain shwrs | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | — | |
max°C | 13 | 18 | 20 | 13 | 14 | 16 | 11 | 17 | 19 | 13 | 12 | 13 | 9 | 8 | 10 | 7 | 14 | 18 | 14 |
min°C | 13 | 14 | 19 | 10 | 10 | 16 | 10 | 12 | 18 | 11 | 10 | 11 | 8 | 8 | 9 | 6 | 9 | 17 | 12 |
12 | 14 | 19 | 9 | 9 | 16 | 9 | 12 | 18 | 10 | 8 | 9 | 6 | 4 | 6 | 3 | 8 | 17 | 12 | |
4300 | 4150 | 4000 | 3950 | 3750 | 3750 | 4000 | 4050 | 4150 | 4200 | 3950 | 3700 | 3250 | 2750 | 3100 | 3900 | 4200 | 4150 | 4050 | |
Cloud base (m) | 900 | 8350 | 9000 | 9350 | 6850 | 2850 | 900 | 1600 | 2200 | 6250 | |||||||||
 | — | 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 Wed afternoon, min 10°C on Wed night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sat night. Very mild (max 18°C on Mon afternoon, min 6°C on Sun 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.