– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Wed 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 20 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 34°C on Sat afternoon, min 15°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 35°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | ||||||||||||||
night | 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 | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 18 | 25 | 29 | 23 | 28 | 32 | 27 | 31 | 34 | 29 | 33 | 35 | 27 | 31 | 34 | 26 | 31 | 33 | 25 |
min°C | 15 | 20 | 28 | 20 | 23 | 31 | 23 | 26 | 34 | 26 | 28 | 35 | 24 | 26 | 33 | 23 | 25 | 32 | 21 |
15 | 20 | 28 | 20 | 23 | 31 | 23 | 26 | 34 | 26 | 28 | 35 | 24 | 26 | 33 | 23 | 25 | 32 | 21 | |
3900 | 3950 | 4050 | 4250 | 4350 | 4450 | 4600 | 4600 | 4700 | 4650 | 4550 | 4650 | 4550 | 4450 | 4500 | 4500 | 4400 | 4550 | 4500 | |
Cloud base (m) | 9500 | 9050 | 5600 | 8900 | 4100 | 9700 | |||||||||||||
 | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — |
 | — | — | — | 8:05 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | 7:58 | — | — | 7:55 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 34°C on Sat afternoon, min 15°C on Wed night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 35°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 500 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.