– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sat 10 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 10 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sat night. Very mild (max 16°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  |  | | | | | | | |
rain shwrs | clear | some clouds | clear | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | |
Cloud base (m) | 1550 | 1500 | 2350 | 1600 | 2550 | 2400 | 2100 | 1000 | 2300 | 1000 | 6900 | 6950 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 9 | 12 | 8 | 12 | 15 | 8 | 14 | 16 | 12 | 15 | 17 | 12 | 16 | 19 | 14 |
min °C | 5 | 5 | 12 | 6 | 6 | 14 | 7 | 9 | 13 | 11 | 12 | 16 | 11 | 12 | 18 | 12 |
chill °C | 5 | 5 | 12 | 5 | 6 | 14 | 6 | 9 | 13 | 11 | 12 | 16 | 11 | 12 | 18 | 12 |
Freezing level m | 1400 | 1800 | 2100 | 1850 | 2650 | 2900 | 3050 | 2950 | 3000 | 2800 | 3050 | 3150 | 3950 | 3900 | 4050 | 3950 |
 | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — |
 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:17 | — | — | 6:15 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Some drizzle, heaviest during Sat night. Very mild (max 16°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Tue 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) |  | ||||
SeattleS.-Tacoma-Wa. | |||||
Seattl / oeing Airport | | ||||
BUOY-EBSW1 |
* 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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