– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 6mm), mostly falling on Fri morning. Freeze-thaw conditions (max 18°C on Thu afternoon, min -1°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 15mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 9°C on Mon afternoon, min -1°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | | |  | | | | |  |  | |
some clouds | clear | some clouds | light rain | light rain | some clouds | some clouds | light rain | some clouds | clear | clear | clear | clear | clear | some clouds | light rain | mod. rain | light snow | |
Cloud base (m) | 9100 | 8750 | 850 | 850 | 1450 | 1750 | 1650 | 1500 | 2750 | 2700 | 2000 | 850 | 850 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
mm | — | — | — | 3 | 1.3 | — | — | 1.9 | — | — | — | — | — | — | — | 1.2 | 8 | 6 |
max °C | 17 | 18 | 13 | 7 | 4 | 1 | 1 | 3 | 1 | 4 | 7 | 3 | 6 | 9 | 5 | 4 | 5 | 4 |
min °C | 15 | 16 | 7 | 6 | 2 | -1 | -1 | 3 | 0 | 1 | 7 | 3 | 2 | 9 | 4 | 3 | 4 | -1 |
chill °C | 15 | 16 | 4 | 2 | -2 | -4 | -3 | 3 | -2 | 1 | 7 | 3 | 2 | 9 | 3 | 1 | 2 | -6 |
Freezing level m | 4050 | 4150 | 3900 | 2350 | 1850 | 1450 | 1650 | 1950 | 1550 | 2050 | 2300 | 2600 | 3400 | 3300 | 3000 | 2600 | 2550 | 1550 |
 | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Light rain (total 6mm), mostly falling on Fri morning. Freeze-thaw conditions (max 18°C on Thu afternoon, min -1°C on Fri night). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Moderate rain (total 15mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 9°C on Mon afternoon, min -1°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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
| |||||
SHIP7026 | |||||
SHIP7229 | |||||
SHIP8039 | |||||
SHIP1410 |
* 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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