– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Sun 09 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 09 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 27°C on Mon afternoon, min 14°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Warm (max 28°C on Sat afternoon, min 16°C on Wed night). Wind will be generally light. | |||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | | | | |  |  |  | |  | | |  | |
clear | clear | clear | clear | clear | clear | clear | clear | risk tstorm | rain shwrs | rain shwrs | rain shwrs | risk tstorm | rain shwrs | rain shwrs | some clouds | |
Cloud base (m) | 9450 | 9050 | 8450 | 2250 | 2850 | 2450 | 2900 | 3050 | 3250 | 3050 | 3000 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 0.8 | 0.7 | 0.1 | 0.2 | 1.5 | 0.1 | 0.6 | — |
max °C | 21 | 24 | 27 | 21 | 24 | 27 | 21 | 23 | 24 | 18 | 25 | 26 | 22 | 25 | 25 | 23 |
min °C | 14 | 18 | 26 | 15 | 19 | 26 | 14 | 17 | 23 | 16 | 20 | 25 | 19 | 21 | 25 | 19 |
chill °C | 14 | 18 | 26 | 15 | 19 | 26 | 14 | 17 | 23 | 16 | 20 | 25 | 19 | 21 | 25 | 19 |
Freezing level m | 4150 | 4050 | 4100 | 4300 | 4000 | 4050 | 3950 | 3550 | 3650 | 3550 | 3500 | 3700 | 3650 | 3600 | 3750 | 3800 |
 | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:17 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 27°C on Mon afternoon, min 14°C on Sun night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Wed night. Warm (max 28°C on Sat afternoon, min 16°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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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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