– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 4 am Thu 13 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 27°C on Sat afternoon, min 18°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 28°C on Sun afternoon, min 14°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | |  | | | | | |  | |
clear | some clouds | rain shwrs | risk tstorm | risk tstorm | rain shwrs | clear | light rain | rain shwrs | some clouds | some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | |
Cloud base (m) | 3550 | 3200 | 3150 | 3350 | 2350 | 3000 | 5150 | 9150 | 8800 | 9100 | 900 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 1.7 | 1.1 | 13 | 0.1 | — | 1.2 | 4 | — | — | — | — | — | — | — | — | — |
max °C | 25 | 26 | 23 | 25 | 22 | 19 | 26 | 27 | 20 | 25 | 28 | 22 | 25 | 28 | 21 | 23 | 26 | 19 |
min °C | 20 | 26 | 18 | 20 | 18 | 18 | 21 | 23 | 18 | 20 | 28 | 17 | 20 | 28 | 16 | 18 | 25 | 14 |
chill °C | 20 | 26 | 18 | 20 | 18 | 18 | 21 | 23 | 18 | 20 | 28 | 17 | 20 | 28 | 16 | 18 | 25 | 14 |
Freezing level m | 3500 | 3650 | 3450 | 3500 | 3650 | 3650 | 3700 | 3800 | 3850 | 3750 | 3950 | 3950 | 4000 | 4200 | 4150 | 4050 | 4100 | 4250 |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | — | 8:19 | — | — | 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: Heavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 27°C on Sat afternoon, min 18°C on Thu night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 28°C on Sun afternoon, min 14°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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
SHIP10522 | |||||
SHIP11460 | |||||
SHIP7258 | |||||
SHIP12259 |
* 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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