– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 10 am Mon 29 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 29 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 29 Jun Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 7°C on Mon afternoon, min 4°C on Wed morning). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 10°C on Sat afternoon, min 5°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | | |  | |  | | | | | |  | |
light rain | light rain | rain shwrs | cloudy | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | some clouds | some clouds | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 0.1 | 0.1 | — | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | — | — | 0.9 | 0.1 | 0.2 | 0.3 | 0.1 | — | — |
max °C | 6 | 7 | 7 | 6 | 7 | 7 | 4 | 6 | 6 | 6 | 9 | 7 | 7 | 9 | 9 | 8 | 10 | 9 |
min °C | 6 | 7 | 6 | 6 | 6 | 5 | 4 | 5 | 5 | 5 | 9 | 7 | 7 | 8 | 7 | 7 | 10 | 6 |
chill °C | 4 | 5 | 4 | 4 | 5 | 4 | 1 | 3 | 3 | 4 | 7 | 7 | 5 | 6 | 5 | 4 | 8 | 5 |
Freezing level m | 3650 | 3600 | 3450 | 3250 | 3150 | 3200 | 2600 | 2650 | 3050 | 3050 | 2700 | 2700 | 3100 | 3400 | 3700 | 3000 | 2900 | 3500 |
Cloud base (m) | 450 | 450 | 800 | 550 | 700 | 950 | 500 | 700 | 600 | 700 | 2000 | 400 | 500 | 550 | 700 | 950 | 2200 | 900 |
 | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — |
 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 |
Loading...
Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Mostly dry. Mild temperatures (max 7°C on Mon afternoon, min 4°C on Wed morning). Wind will be generally light.
Mount Si Weather (Days 3-6):
Some drizzle, heaviest during Thu night. Very mild (max 10°C on Sat afternoon, min 5°C on Thu morning). Wind will be generally light.
This table gives the weather forecast for Mount Si at the specific elevation of 1270 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
SHIP4163 | |||||
SHIP3253 |
* 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.
Mount Si Photos
View all
Cascade Range photos (450) |
Pacific Coast Ranges photos (1056) |
photos from mountains in United States (3052) |
all photos
Upload new photo
Upload new photoSunset on the Summit
Mt Si
Mount Si