– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Fri 02 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 02 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 25°C on Sun afternoon, min 14°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 23°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light. | |||||||||||||||||
Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | | | | | | | | | |
clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 7750 | 9100 | 6300 | 9000 | 9700 | 8700 | 9500 | 8650 | 900 | 8950 | 9150 | 8350 | 8600 | 8800 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 20 | 21 | 14 | 20 | 23 | 17 | 22 | 25 | 19 | 22 | 23 | 15 | 19 | 22 | 14 | 19 | 21 | 16 |
min °C | 15 | 20 | 14 | 15 | 23 | 16 | 16 | 25 | 16 | 16 | 21 | 13 | 13 | 20 | 13 | 13 | 21 | 15 |
chill °C | 15 | 20 | 14 | 15 | 23 | 16 | 16 | 25 | 16 | 16 | 21 | 12 | 12 | 20 | 13 | 12 | 21 | 15 |
Freezing level m | 3300 | 3600 | 4050 | 4200 | 4250 | 4250 | 4150 | 4100 | 4250 | 4050 | 3900 | 4050 | 4000 | 4000 | 4050 | 4000 | 4050 | 4150 |
 | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | 6:40 | — | — | 6:38 | — | — | 6:37 | — | — | 6:35 | — | — | 6:32 | — | — | 6:30 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 25°C on Sun afternoon, min 14°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 23°C on Mon afternoon, min 13°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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