– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 am Sat 29 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 11°C on Mon afternoon, min 0°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Mon afternoon). | Days 4–6 Weather SummaryMild with light rain (total 7mm) on Tue night Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 11°C on Tue morning, min -2°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, strong winds from the WNW by Wed night). | |||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | |  | |  |  |  | |  |  | |  | |
snow shwrs | some clouds | clear | cloudy | clear | clear | clear | some clouds | some clouds | some clouds | rain shwrs | rain shwrs | light rain | light rain | mod. snow | light snow | cloudy | cloudy | |
Cloud base (m) | 950 | 1600 | 950 | 900 | 2700 | 900 | 9150 | 3500 | 6350 | 5250 | 2950 | 900 | 1550 | 1450 | 850 | 900 | 1500 | 900 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 0.4 | 4 | 0.2 | 0.9 | 1.6 | — | — | — |
max °C | 1 | 3 | 2 | 4 | 6 | 6 | 9 | 11 | 10 | 11 | 11 | 6 | 3 | 3 | 2 | -1 | 0 | 0 |
min °C | 0 | 1 | 2 | 3 | 6 | 5 | 7 | 11 | 9 | 9 | 9 | 3 | 3 | 3 | -2 | -2 | 0 | -1 |
chill °C | -6 | -5 | -4 | -1 | 2 | 1 | 6 | 11 | 7 | 7 | 7 | -1 | -2 | 0 | -10 | -10 | -6 | -7 |
Freezing level m | 2350 | 2650 | 3050 | 3150 | 3300 | 3650 | 3700 | 3750 | 3900 | 3700 | 3500 | 3200 | 2700 | 2750 | 2100 | 2100 | 2250 | 2300 |
 | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:39 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A dusting of new snow. Freeze-thaw conditions (max 11°C on Mon afternoon, min 0°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Mon afternoon).
Grindstone Mountain Weather (Days 3-6):
Mild with light rain (total 7mm) on Tue night Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 11°C on Tue morning, min -2°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, strong winds from the WNW by Wed night).
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 2296 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
lightning 65km NNW of Granite Falls |  | ||||
lightning 64km NW of Brewster | | ||||
 | |||||
* 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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