– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Fri 28 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sat morning. Warm (max 25°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 16mm), heaviest on Wed afternoon. Warm (max 22°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light. | |||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | | | |  |  | | | |
rain shwrs | light rain | rain shwrs | some clouds | cloudy | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | light rain | mod. rain | mod. rain | rain shwrs | |
Cloud base (m) | 900 | 900 | 900 | 1950 | 1550 | 2650 | 3350 | 5200 | 1500 | 2900 | 850 | 850 | 1450 | 2000 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 1 | 0.5 | — | — | — | — | — | — | — | — | — | 1.2 | 7 | 6 | 1.5 |
max °C | 16 | 12 | 14 | 12 | 15 | 18 | 13 | 22 | 25 | 20 | 20 | 22 | 16 | 13 | 14 | 12 |
min °C | 12 | 12 | 12 | 10 | 11 | 17 | 12 | 16 | 25 | 15 | 16 | 21 | 13 | 13 | 13 | 10 |
chill °C | 11 | 11 | 11 | 9 | 10 | 17 | 12 | 16 | 25 | 15 | 16 | 21 | 13 | 13 | 13 | 10 |
Freezing level m | 3050 | 2300 | 2600 | 3000 | 3100 | 3250 | 3650 | 3600 | 3650 | 3500 | 3350 | 3200 | 2900 | 2650 | 2600 | 2300 |
 | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Some drizzle, heaviest during Sat morning. Warm (max 25°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 16mm), heaviest on Wed afternoon. Warm (max 22°C on Tue afternoon, min 10°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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
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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