– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Tue 01 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 18°C on Wed afternoon, min 9°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Warm (max 22°C on Mon afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | |  | | | | | | |
light rain | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | clear | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | |
Cloud base (m) | 1500 | 1550 | 2250 | 850 | 1950 | 2300 | 1600 | 2500 | 2400 | 2550 | 2650 | 2750 | 2750 | 2600 | 2800 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 0.1 | 3 | 4 | 0.1 | 4 | 1.7 | 0.5 | 2 | 0.6 | — | 0.1 | 0.1 | 0.1 | 1 | 0.1 |
max °C | 16 | 17 | 18 | 13 | 15 | 15 | 11 | 15 | 16 | 13 | 18 | 19 | 15 | 17 | 19 | 16 |
min °C | 12 | 13 | 17 | 9 | 10 | 14 | 10 | 11 | 16 | 12 | 14 | 19 | 13 | 15 | 19 | 13 |
chill °C | 12 | 13 | 17 | 8 | 10 | 14 | 10 | 11 | 16 | 12 | 14 | 19 | 13 | 15 | 19 | 13 |
Freezing level m | 3200 | 2750 | 2750 | 2250 | 2350 | 2450 | 2250 | 2500 | 2600 | 2500 | 2600 | 2750 | 2650 | 2700 | 2800 | 2900 |
 | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — |
 | — | — | 7:42 | — | — | 7:39 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Moderate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 18°C on Wed afternoon, min 9°C on Wed night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Fri night. Warm (max 22°C on Mon afternoon, min 12°C on Fri 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
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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