– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 am Mon 07 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 13°C on Wed afternoon, min 2°C on Mon morning). Winds increasing (calm on Mon night, near gales from the W by Wed night). | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Mild temperatures (max 7°C on Thu morning, min 3°C on Thu night). Winds decreasing (strong winds from the WNW on Thu morning, light winds from the SE by Fri afternoon). | |||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  | | | | |  | |  | |  |  | |
clear | rain shwrs | some clouds | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | light rain | rain shwrs | |
Cloud base (m) | 1550 | 1850 | 950 | 3450 | 9050 | 8700 | 1500 | 5750 | 2650 | 5950 | 2900 | 2300 | 900 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.7 | 0.4 |
max °C | 3 | 5 | 4 | 8 | 10 | 9 | 12 | 13 | 11 | 7 | 7 | 4 | 4 | 5 | 4 | 5 | 3 | 3 |
min °C | 2 | 4 | 3 | 5 | 9 | 9 | 10 | 13 | 7 | 7 | 7 | 3 | 3 | 5 | 3 | 3 | 3 | 3 |
chill °C | -2 | 3 | 1 | 5 | 9 | 7 | 8 | 11 | 1 | 2 | 3 | -2 | 0 | 3 | -2 | -2 | -1 | -2 |
Freezing level m | 2850 | 3000 | 3150 | 3350 | 3500 | 4000 | 4350 | 4300 | 4150 | 3500 | 3250 | 3250 | 3000 | 2850 | 2900 | 2750 | 2750 | 3100 |
 | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — |
 | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — | — | 7:23 | — | — | 7:22 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 13°C on Wed afternoon, min 2°C on Mon morning). Winds increasing (calm on Mon night, near gales from the W by Wed night).
Grindstone Mountain Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Sat afternoon. Mild temperatures (max 7°C on Thu morning, min 3°C on Thu night). Winds decreasing (strong winds from the WNW on Thu morning, light winds from the SE by Fri afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
SHIP9366 | | ||||
SHIP4173 | |||||
Winthrop Airport (Washington) |  |
* 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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