– Lat/Long: 47.51° N 121.74° W
Mount Si Weather Forecast
Cascade Range · United StatesIssued: 9 am Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 15mm), heaviest on Wed night. Very mild (max 13°C on Wed morning, min 6°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 12mm), heaviest on Sat night. Very mild (max 17°C on Sat morning, min 3°C on Sun night). Mainly strong winds. | |||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | |  | | | | | | | | | |
clear | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | light rain | light rain | rain shwrs | some clouds | clear | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | clear | some clouds | |
Cloud base (m) | 9300 | 2450 | 500 | 550 | 800 | 3400 | 2150 | 2250 | 550 | 1850 | 7900 | 2700 | 600 | 700 | 5750 | 4100 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 8 | 1.3 | 0.1 | — | 0.5 | 3 | 2 | — | — | 8 | 2 | 1.4 | — | — | — | — |
max °C | 13 | 11 | 8 | 9 | 9 | 8 | 11 | 12 | 12 | 17 | 15 | 12 | 6 | 5 | 4 | 9 | 8 | 7 |
min °C | 12 | 8 | 7 | 8 | 7 | 6 | 9 | 10 | 11 | 14 | 12 | 7 | 6 | 4 | 3 | 7 | 6 | 6 |
chill °C | 12 | 8 | 5 | 6 | 7 | 5 | 8 | 9 | 10 | 14 | 11 | 2 | 2 | 4 | 1 | 7 | 5 | 5 |
Freezing level m | 2700 | 2250 | 1650 | 1500 | 1650 | 2600 | 2450 | 3050 | 2850 | 3200 | 3150 | 2100 | 1400 | 1250 | 1750 | 2150 | 2200 | 2550 |
 | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 4:44 | — | — | 4:43 | — | — | 4:42 | — | — | 4:39 | — | — | 4:38 | — | — | 4:37 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Moderate rain (total 15mm), heaviest on Wed night. Very mild (max 13°C on Wed morning, min 6°C on Thu night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Moderate rain (total 12mm), heaviest on Sat night. Very mild (max 17°C on Sat morning, min 3°C on Sun night). Mainly strong winds.
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 |  | ||||
| |||||
BUOY-EBSW1 | |||||
* 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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