– Lat/Long: 47.51° N 121.74° W
Mount Si Weather Forecast
Cascade Range · United StatesIssued: 3 am Sat 14 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sat 14 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 18mm), heaviest on Sat night. Very mild (max 10°C on Sat morning, min 3°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 7°C on Tue morning, min 2°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  |  | | | |  | | | | | | |
rain shwrs | light rain | heavy rain | light rain | light rain | rain shwrs | clear | some clouds | some clouds | some clouds | rain shwrs | some clouds | cloudy | light rain | some clouds | some clouds | clear | some clouds | |
Cloud base (m) | 800 | 600 | 550 | 500 | 650 | 850 | 1800 | 6600 | 900 | 750 | 750 | 1650 | 800 | 1750 | 800 | 750 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.5 | 1.3 | 12 | 3 | 1.5 | 1.1 | — | — | — | — | 0.1 | — | — | 0.6 | — | — | — | — |
max °C | 10 | 9 | 9 | 8 | 7 | 5 | 8 | 7 | 4 | 7 | 6 | 4 | 7 | 4 | 3 | 7 | 6 | 3 |
min °C | 9 | 8 | 8 | 8 | 6 | 4 | 6 | 5 | 3 | 5 | 4 | 4 | 7 | 4 | 3 | 6 | 4 | 2 |
chill °C | 7 | 6 | 6 | 5 | 4 | 4 | 6 | 5 | 3 | 5 | 2 | 1 | 4 | 2 | 0 | 6 | 3 | 2 |
Freezing level m | 1800 | 1800 | 2200 | 1550 | 1350 | 1250 | 1350 | 1450 | 1200 | 1200 | 1400 | 1600 | 1500 | 1150 | 1500 | 1400 | 1400 | 1300 |
 | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Moderate rain (total 18mm), heaviest on Sat night. Very mild (max 10°C on Sat morning, min 3°C on Mon night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Mostly dry. Mild temperatures (max 7°C on Tue morning, min 2°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
Seattl / oeing Airport | | ||||
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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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