– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Sat 29 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 27°C on Tue afternoon, min 9°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 26mm), heaviest during Fri morning. Warm (max 20°C on Wed afternoon, min 12°C on Fri morning). Wind will be generally light. | |||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | | |  |  |  |  | | |  | |
clear | some clouds | clear | clear | clear | some clouds | some clouds | clear | some clouds | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | mod. rain | |
Cloud base (m) | 1600 | 950 | 2650 | 6600 | 9250 | 3600 | 7150 | 4950 | 3350 | 850 | 1550 | 2450 | 1600 | 850 | 1850 | 1550 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 0.6 | 0.1 | 1.6 | 0.9 | 0.4 | 2 | 6 |
max °C | 12 | 15 | 20 | 15 | 22 | 26 | 21 | 25 | 27 | 17 | 18 | 20 | 14 | 15 | 17 | 14 |
min °C | 9 | 11 | 19 | 13 | 17 | 26 | 18 | 20 | 25 | 14 | 14 | 18 | 13 | 13 | 16 | 13 |
chill °C | 8 | 10 | 19 | 13 | 17 | 26 | 18 | 20 | 25 | 14 | 14 | 18 | 13 | 13 | 16 | 13 |
Freezing level m | 3000 | 3350 | 3450 | 3700 | 3800 | 3800 | 3950 | 3800 | 3750 | 3600 | 3150 | 2950 | 2700 | 2700 | 2850 | 2700 |
 | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:39 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Warm (max 27°C on Tue afternoon, min 9°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Heavy rain (total 26mm), heaviest during Fri morning. Warm (max 20°C on Wed afternoon, min 12°C on Fri morning). 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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