– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 pm Fri 28 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 9°C on Fri afternoon, min -1°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, light winds from the WSW by Mon morning). | Days 5–7 Weather SummaryLight rain (total 9mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | |  |  | |  |  | |
clear | some clouds | snow shwrs | light rain | clear | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | light rain | mod. rain | snow shwrs | |
Cloud base (m) | 2300 | 900 | 900 | 1850 | 1500 | 2650 | 8550 | 9450 | 5600 | 5500 | 3200 | 2100 | 900 | 850 | 2450 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
mm | — | — | — | 0.1 | — | — | — | — | — | — | — | — | 0.5 | 0.5 | 1.1 | 7 | — |
max °C | 9 | 6 | 1 | 2 | 3 | 4 | 6 | 6 | 9 | 12 | 10 | 11 | 11 | 8 | 3 | 3 | 2 |
min °C | 8 | 2 | -1 | 1 | 2 | 3 | 5 | 5 | 7 | 11 | 9 | 10 | 10 | 3 | 3 | 2 | 0 |
chill °C | 6 | -3 | -7 | -5 | -4 | -1 | 0 | 1 | 6 | 11 | 7 | 8 | 8 | -2 | -1 | -3 | 0 |
Freezing level m | 3400 | 3050 | 2200 | 2600 | 3100 | 3100 | 3400 | 3650 | 3750 | 3750 | 3900 | 3700 | 3600 | 3250 | 2750 | 2650 | 2400 |
 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | 7:52 | — | — | 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: A dusting of new snow. Freeze-thaw conditions (max 9°C on Fri afternoon, min -1°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, light winds from the WSW by Mon morning).
Grindstone Mountain Weather (Days 3-6):
Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
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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