– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 pm Fri 10 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 10 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 10 Apr Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat morning. Very mild (max 18°C on Fri afternoon, min 6°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 18mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 8°C on Mon afternoon, min -2°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  |  | | | | |  |  | | | | |
some clouds | some clouds | light rain | light rain | cloudy | some clouds | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | mod. rain | snow shwrs | rain shwrs | light rain | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
— | — | 1.8 | 0.5 | — | — | 0.1 | 0.5 | 0.8 | 0.6 | 1 | 1.1 | 6 | 8 | 0.8 | 0.7 | — | |
max °C | 18 | 14 | 11 | 10 | 9 | 12 | 13 | 9 | 7 | 8 | 5 | 6 | 6 | 4 | 3 | 4 | 0 |
min °C | 17 | 10 | 11 | 10 | 7 | 9 | 13 | 7 | 6 | 7 | 2 | 4 | 5 | -1 | 0 | 4 | -2 |
17 | 10 | 11 | 10 | 6 | 9 | 12 | 5 | 4 | 4 | -1 | 2 | 3 | -5 | -2 | 1 | -5 | |
2700 | 2450 | 2200 | 2150 | 2050 | 2350 | 2300 | 1800 | 1400 | 1500 | 1050 | 1350 | 1300 | 250 | 950 | 1050 | 200 | |
Cloud base (m) | 2550 | 2600 | 1650 | 850 | 1500 | 1550 | 1750 | 850 | 900 | 1500 | 900 | 1450 | 850 | 1500 | 1450 | 1800 | 900 |
 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — |
 | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 18°C on Fri afternoon, min 6°C on Mon morning). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 18mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 8°C on Mon afternoon, min -2°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.