– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 am Mon 07 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 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. Warm (max 27°C on Wed afternoon, min 12°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Sat morning. Warm (max 20°C on Thu afternoon, min 9°C on Fri night). Wind will be generally light. | |||||||||||||||||
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 | |
 |  |  |  | |  | | | | | | | | |  |  | | | |
some clouds | rain shwrs | some clouds | clear | clear | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | rain shwrs | light rain | rain shwrs | some clouds | |
Cloud base (m) | 1550 | 1750 | 5550 | 3450 | 8800 | 9050 | 2200 | 850 | 2400 | 1700 | 1500 | 900 | 1650 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | 0.3 | 0.7 | 0.3 | — |
max °C | 15 | 18 | 13 | 22 | 25 | 19 | 25 | 27 | 19 | 19 | 20 | 14 | 14 | 17 | 11 | 11 | 13 | 10 |
min °C | 12 | 18 | 12 | 16 | 24 | 17 | 19 | 26 | 15 | 15 | 19 | 10 | 11 | 15 | 9 | 10 | 12 | 9 |
chill °C | 11 | 18 | 12 | 16 | 24 | 17 | 19 | 26 | 15 | 15 | 19 | 9 | 10 | 14 | 8 | 9 | 11 | 8 |
Freezing level m | 2850 | 3000 | 3150 | 3300 | 3500 | 3950 | 4300 | 4350 | 4200 | 3500 | 3600 | 3500 | 2850 | 2600 | 2200 | 2100 | 2300 | 2250 |
 | 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. Warm (max 27°C on Wed afternoon, min 12°C on Mon morning). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Some drizzle, heaviest during Sat morning. Warm (max 20°C on Thu afternoon, min 9°C on Fri 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 | |
* 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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