– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 21mm), heaviest during Thu night. Warm (max 20°C on Thu afternoon, min 6°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 17mm), heaviest on Tue night. Very mild (max 17°C on Sun afternoon, min 7°C on Sun night). Wind will be generally light. | |||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | |  | |  |  | | | | |
some clouds | cloudy | mod. rain | light rain | light rain | rain shwrs | clear | some clouds | cloudy | cloudy | clear | some clouds | light rain | rain shwrs | light rain | light rain | light rain | rain shwrs | |
Cloud base (m) | 4250 | 2300 | 850 | 900 | 950 | 900 | 6500 | 5400 | 2500 | 900 | 900 | 900 | 850 | 850 | 900 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 8 | 5 | 5 | 4 | — | — | — | — | — | — | 1.5 | 0.2 | 1.1 | 4 | 2 | 9 |
max °C | 18 | 20 | 17 | 13 | 13 | 8 | 11 | 14 | 11 | 14 | 17 | 9 | 10 | 11 | 10 | 10 | 11 | 12 |
min °C | 13 | 20 | 13 | 13 | 11 | 6 | 6 | 14 | 10 | 10 | 16 | 7 | 8 | 11 | 9 | 9 | 10 | 8 |
chill °C | 13 | 20 | 13 | 13 | 10 | 4 | 4 | 14 | 10 | 10 | 16 | 6 | 7 | 10 | 8 | 8 | 9 | 6 |
Freezing level m | 3450 | 3500 | 2850 | 2450 | 2250 | 1650 | 2200 | 2450 | 2350 | 2450 | 2500 | 2150 | 2000 | 2200 | 2100 | 3100 | 2700 | 2300 |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 21mm), heaviest during Thu night. Warm (max 20°C on Thu afternoon, min 6°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 17mm), heaviest on Tue night. Very mild (max 17°C on Sun afternoon, min 7°C on Sun night). Wind will be generally light.
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
Winthrop Airport (Washington) |  | ||||
Seattl / oeing Airport | | ||||
BUOY-EBSW1 | |||||
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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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