– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 am Thu 19 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 19 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 19 Mar Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 41mm), heaviest during Fri afternoon. Very mild (max 11°C on Thu night, min 1°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 13mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon afternoon, min -1°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the W by Tue night). | |||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  | | |  | | | | |  | |
mod. rain | light rain | heavy rain | mod. rain | mod. rain | light rain | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | light rain | mod. rain | mod. rain | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
7 | 4 | 13 | 5 | 8 | 4 | 0.2 | 0.3 | — | — | — | — | — | — | 0.3 | 5 | 6 | 1.8 | |
max °C | 10 | 10 | 11 | 10 | 10 | 8 | 6 | 6 | 2 | 6 | 8 | 4 | 8 | 10 | 6 | 5 | 8 | 4 |
min °C | 10 | 10 | 10 | 10 | 10 | 7 | 5 | 5 | 1 | 2 | 8 | 3 | 5 | 9 | 5 | 4 | 6 | -1 |
9 | 9 | 10 | 10 | 10 | 6 | 3 | 2 | -2 | 1 | 7 | 1 | 4 | 8 | 4 | 3 | 6 | -8 | |
2700 | 2950 | 2750 | 2500 | 2250 | 1850 | 1300 | 1200 | 600 | 1400 | 1600 | 1100 | 1650 | 1750 | 1550 | 1300 | 1700 | 350 | |
Cloud base (m) | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 1550 | 950 | 5150 | 2000 | 900 | 900 | 2700 | 2500 | 850 | 1350 | 900 |
 | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — |
 | — | 7:14 | — | — | 7:15 | — | — | 7:16 | — | — | 7:17 | — | — | 7:20 | — | — | 7:21 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 41mm), heaviest during Fri afternoon. Very mild (max 11°C on Thu night, min 1°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 13mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon afternoon, min -1°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the W by Tue night).
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.