– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 am Thu 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Sat afternoon. Very mild (max 18°C on Thu afternoon, min 5°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the W by Sat night). | Days 4–6 Weather SummaryMostly dry. Very mild (max 16°C on Tue afternoon, min 5°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  | |  | | | | | | | |  | |
clear | clear | clear | some clouds | some clouds | rain shwrs | clear | risk tstorm | rain shwrs | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 5350 | 5500 | 3950 | 950 | 900 | 1750 | 1900 | 4600 | ||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.1 | — | 1.7 | 0.1 | 0.2 | — | — | — | — | — | — | — | — |
max °C | 15 | 18 | 16 | 18 | 18 | 17 | 15 | 13 | 8 | 5 | 8 | 9 | 12 | 14 | 12 | 13 | 16 | 13 |
min °C | 13 | 17 | 15 | 16 | 18 | 14 | 13 | 10 | 5 | 5 | 7 | 8 | 10 | 13 | 11 | 11 | 15 | 10 |
chill °C | 13 | 17 | 14 | 16 | 18 | 13 | 12 | 8 | 0 | 1 | 3 | 5 | 10 | 13 | 11 | 10 | 15 | 7 |
Freezing level m | 4300 | 4600 | 4650 | 4650 | 4600 | 4400 | 4150 | 4000 | 3450 | 3250 | 3700 | 4000 | 4050 | 4050 | 4000 | 4050 | 4250 | 4150 |
 | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | 7:58 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Some drizzle, heaviest during Sat afternoon. Very mild (max 18°C on Thu afternoon, min 5°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the W by Sat night).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Tue afternoon, min 5°C on Sun morning). Wind will be generally light.
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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Seattl / oeing Airport | | ||||
BUOY-EBSW1 | |||||
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* 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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