– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 10 pm Thu 13 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 15mm), heaviest on Fri afternoon. Warm (max 21°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 21°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  |  |  | | |  | | | | |
rain shwrs | risk tstorm | risk tstorm | rain shwrs | some clouds | light rain | rain shwrs | cloudy | clear | clear | clear | clear | some clouds | clear | clear | clear | |
Cloud base (m) | 3350 | 3200 | 2950 | 3250 | 3050 | 3750 | 6400 | 8850 | 8250 | 7150 | 6350 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 4 | 5 | 2 | — | 0.4 | 0.6 | — | — | — | — | — | — | — | — | — |
max °C | 15 | 15 | 18 | 14 | 18 | 20 | 15 | 17 | 21 | 17 | 18 | 21 | 15 | 15 | 18 | 13 |
min °C | 12 | 13 | 14 | 14 | 15 | 18 | 13 | 14 | 20 | 13 | 14 | 20 | 11 | 11 | 18 | 10 |
chill °C | 12 | 13 | 14 | 14 | 15 | 18 | 13 | 14 | 20 | 12 | 14 | 20 | 9 | 10 | 18 | 9 |
Freezing level m | 3450 | 3400 | 3400 | 3650 | 3550 | 3750 | 3800 | 3750 | 4000 | 4050 | 4050 | 4100 | 4050 | 3850 | 4200 | 4450 |
 | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | — | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:10 |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Moderate rain (total 15mm), heaviest on Fri afternoon. Warm (max 21°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 21°C on Mon 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
SHIP9157 | |||||
SHIP6559 | |||||
SHIP4213 | |||||
SHIP12022 |
* 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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