– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Fri 14 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 14 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 14 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 22°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | |  | | |  | | | | |
clear | some clouds | rain shwrs | rain shwrs | some clouds | risk tstorm | risk tstorm | clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | |
Cloud base (m) | 9100 | 2850 | 2850 | 3750 | 2850 | 3300 | 8550 | 8000 | 6850 | 6050 | 5750 | 9550 | 9650 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 1.4 | 0.2 | — | 0.2 | 0.3 | — | — | — | — | — | — | — | — | — |
max °C | 17 | 18 | 20 | 15 | 18 | 21 | 17 | 19 | 22 | 17 | 17 | 20 | 15 | 17 | 21 | 17 |
min °C | 14 | 15 | 16 | 13 | 14 | 20 | 14 | 15 | 22 | 13 | 13 | 19 | 10 | 12 | 21 | 14 |
chill °C | 14 | 15 | 16 | 13 | 14 | 20 | 14 | 15 | 22 | 12 | 12 | 19 | 9 | 11 | 21 | 14 |
Freezing level m | 3600 | 3600 | 3700 | 3800 | 3700 | 4000 | 4050 | 4100 | 4200 | 4150 | 4050 | 4150 | 4300 | 4300 | 4400 | 4400 |
 | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — |
 | — | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:10 | — | — | 8:08 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 22°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 24°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 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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