– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sat 12 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 12 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 29mm), heaviest during Sun morning. Very mild (max 11°C on Mon afternoon, min 3°C on Sun morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 20°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  |  |  | | | | | | |
heavy rain | heavy rain | light rain | rain shwrs | some clouds | some clouds | some clouds | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 850 | 900 | 900 | 900 | 1500 | 6400 | 2200 | 1600 | ||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 14 | 12 | 2 | 0.4 | — | — | — | 0.1 | 1.1 | — | — | — | — | — | — | — |
max °C | 9 | 3 | 4 | 5 | 6 | 11 | 7 | 8 | 10 | 9 | 13 | 17 | 14 | 17 | 20 | 15 |
min °C | 4 | 3 | 3 | 4 | 4 | 10 | 6 | 7 | 7 | 9 | 10 | 17 | 13 | 14 | 20 | 13 |
chill °C | 2 | 0 | 0 | 1 | 1 | 9 | 6 | 7 | 7 | 9 | 10 | 17 | 13 | 14 | 20 | 12 |
Freezing level m | 2400 | 2100 | 2350 | 3350 | 3400 | 3150 | 3200 | 2600 | 2850 | 3300 | 3800 | 3800 | 4100 | 4100 | 4100 | 4250 |
 | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — |
 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 29mm), heaviest during Sun morning. Very mild (max 11°C on Mon afternoon, min 3°C on Sun morning). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 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 |
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* 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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