– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 pm Sun 16 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 15°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Fri night. Very mild (max 18°C on Fri afternoon, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | | | | | | | |  | |
risk tstorm | risk tstorm | clear | clear | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | rain shwrs | |
Cloud base (m) | 4550 | 900 | 8550 | 6550 | 6100 | 6000 | 5200 | 4500 | 2500 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.3 |
max °C | 13 | 11 | 13 | 15 | 12 | 12 | 13 | 11 | 13 | 14 | 12 | 14 | 17 | 15 | 16 | 18 | 16 |
min °C | 12 | 10 | 11 | 15 | 10 | 10 | 13 | 9 | 10 | 14 | 11 | 12 | 16 | 14 | 15 | 17 | 12 |
chill °C | 11 | 10 | 10 | 15 | 8 | 8 | 12 | 8 | 9 | 14 | 10 | 11 | 16 | 13 | 14 | 17 | 10 |
Freezing level m | 4000 | 4000 | 4000 | 4200 | 4100 | 4150 | 4300 | 4450 | 4350 | 4350 | 4300 | 4350 | 4550 | 4700 | 4650 | 4550 | 4400 |
 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 8:14 | — | — | 8:13 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — | — | 8:05 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Very mild (max 15°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Some drizzle, heaviest during Fri night. Very mild (max 18°C on Fri afternoon, min 11°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 |
|---|---|---|---|---|---|
 | |||||
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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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