– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Wed 02 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 02 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 02 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Sat afternoon. Very mild (max 16°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Sat night. Warm (max 22°C on Tue afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | |  | | |  | |  | |  | |
light rain | some clouds | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | risk tstorm | rain shwrs | some clouds | cloudy | rain shwrs | clear | clear | some clouds | |
Cloud base (m) | 850 | 2400 | 2250 | 2550 | 1750 | 1500 | 2000 | 1750 | 2350 | 2650 | 2650 | 3000 | 3000 | 8400 | 3000 | 7050 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | — | 2 | 1.1 | 0.9 | 2 | 0.5 | 0.4 | 3 | 1 | — | — | 0.1 | — | — | — |
max °C | 13 | 15 | 16 | 12 | 13 | 13 | 12 | 15 | 16 | 14 | 18 | 20 | 16 | 19 | 21 | 15 |
min °C | 10 | 11 | 15 | 10 | 11 | 13 | 11 | 12 | 16 | 12 | 13 | 20 | 12 | 14 | 20 | 12 |
chill °C | 10 | 11 | 15 | 10 | 11 | 13 | 11 | 12 | 16 | 12 | 13 | 20 | 12 | 14 | 20 | 12 |
Freezing level m | 2150 | 2400 | 2550 | 2300 | 2300 | 2450 | 2400 | 2550 | 2700 | 2550 | 2800 | 2900 | 2850 | 2900 | 3000 | 3150 |
 | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | — | 7:39 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:31 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Moderate rain (total 13mm), heaviest on Sat afternoon. Very mild (max 16°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Some drizzle, heaviest during Sat night. Warm (max 22°C on Tue afternoon, min 12°C on Sat 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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