– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Fri 07 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 07 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 07 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 28°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 29°C on Thu afternoon, min 15°C on Mon night). Wind will be generally light. | |||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | | | | | | | | | | | |
some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 7200 | 8550 | 8750 | 8100 | ||||||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 24 | 25 | 27 | 22 | 25 | 28 | 21 | 24 | 26 | 21 | 25 | 28 | 22 | 24 | 28 | 22 |
min °C | 19 | 21 | 27 | 15 | 19 | 26 | 14 | 18 | 26 | 15 | 19 | 27 | 15 | 19 | 27 | 17 |
chill °C | 19 | 21 | 27 | 15 | 19 | 26 | 14 | 18 | 26 | 15 | 19 | 27 | 15 | 19 | 27 | 17 |
Freezing level m | 4650 | 4350 | 4300 | 4400 | 4150 | 4200 | 4250 | 4150 | 4300 | 4400 | 4150 | 4250 | 4350 | 4100 | 4350 | 4100 |
 | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — |
 | — | — | — | 8:28 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 28°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 29°C on Thu afternoon, min 15°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.
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