– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Fri 17 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 17 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 17 Jul Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 31°C on Mon afternoon, min 12°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 34°C on Tue afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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 | some clouds | cloudy | some clouds | some clouds | clear | some clouds | some clouds | cloudy | some clouds | some clouds | rain shwrs | clear | |
Cloud base (m) | 900 | 9550 | 6600 | 6200 | 8900 | 4500 | 5950 | 5750 | 6400 | 4100 | |||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — |
max °C | 21 | 22 | 24 | 20 | 25 | 29 | 25 | 29 | 31 | 28 | 31 | 34 | 29 | 31 | 33 | 27 | 30 | 32 | 26 |
min °C | 12 | 17 | 24 | 14 | 19 | 29 | 20 | 24 | 30 | 23 | 26 | 34 | 23 | 27 | 30 | 22 | 26 | 29 | 17 |
chill °C | 11 | 17 | 24 | 14 | 19 | 29 | 20 | 24 | 30 | 23 | 26 | 34 | 23 | 27 | 30 | 22 | 26 | 29 | 17 |
Freezing level m | 4000 | 3800 | 3950 | 4150 | 4100 | 4250 | 4400 | 4550 | 4750 | 4750 | 4700 | 4950 | 4850 | 4700 | 4800 | 4650 | 4400 | 4500 | 4150 |
 | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — |
 | — | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 | — | — | 8:52 | — | — | 8:51 | — | — | 8:49 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 31°C on Mon afternoon, min 12°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 34°C on Tue afternoon, min 22°C on Wed 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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Seattl / oeing Airport |  | ||||
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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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