– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 pm Sat 22 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 22 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 22 Aug 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 afternoon. Warm (max 29°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 32°C on Tue afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | |  | | | | | | | | |
risk tstorm | rain shwrs | light rain | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | some clouds | clear | |
Cloud base (m) | 1650 | 900 | 900 | 1850 | 4550 | 4250 | 8500 | ||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1 | 0.3 | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 28 | 18 | 17 | 21 | 17 | 25 | 29 | 25 | 29 | 32 | 26 | 28 | 29 | 20 | 22 | 23 | 16 |
min °C | 22 | 14 | 15 | 21 | 14 | 20 | 29 | 21 | 24 | 32 | 20 | 23 | 28 | 15 | 17 | 22 | 11 |
chill °C | 22 | 13 | 15 | 21 | 14 | 20 | 29 | 21 | 24 | 32 | 20 | 23 | 28 | 15 | 17 | 22 | 10 |
Freezing level m | 4050 | 3550 | 3350 | 3650 | 4050 | 4100 | 4050 | 4250 | 4250 | 4400 | 4350 | 4200 | 4200 | 4150 | 3800 | 3650 | 3850 |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Some drizzle, heaviest during Sat afternoon. Warm (max 29°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 32°C on Tue afternoon, min 11°C on Thu 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 |
* 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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