– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 21°C on Thu afternoon, min 11°C on Fri morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 10°C on Sun night). Wind will be generally light. | |||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | |  | | | |  |  | | | |
some clouds | some clouds | some clouds | cloudy | some clouds | cloudy | light rain | light rain | light rain | some clouds | rain shwrs | some clouds | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 2100 | 8650 | 900 | 1600 | 2550 | 3000 | 2350 | 1800 | 2000 | 900 | 1650 | 900 | 3100 | 2950 | 2900 | 3100 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 1.1 | 2 | 0.4 | — | 0.1 | — | — | — | — | — | — | — |
max °C | 20 | 21 | 15 | 16 | 19 | 15 | 15 | 15 | 13 | 14 | 15 | 11 | 18 | 22 | 16 | 21 | 25 | 19 |
min °C | 17 | 20 | 12 | 11 | 19 | 14 | 15 | 14 | 11 | 11 | 15 | 10 | 11 | 21 | 14 | 16 | 24 | 16 |
chill °C | 17 | 20 | 11 | 10 | 19 | 14 | 15 | 14 | 10 | 10 | 14 | 9 | 11 | 21 | 14 | 16 | 24 | 16 |
Freezing level m | 3750 | 3450 | 3100 | 2800 | 2850 | 2750 | 2550 | 2600 | 2650 | 2850 | 3000 | 3150 | 3100 | 3050 | 3100 | 3100 | 3450 | 3900 |
 | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 7:25 | — | — | 7:23 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Light rain (total 4mm), mostly falling on Sat afternoon. Warm (max 21°C on Thu afternoon, min 11°C on Fri morning). Wind will be generally light.
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Warm (max 25°C on Tue afternoon, min 10°C on Sun 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 |
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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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