Mount Si weather
– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States

Issued: 4 pm Tue 08 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 23°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Very mild (max 19°C on Sun afternoon, min 10°C on Sat night). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
light rain
rain showers
rain showers
light rain
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
rain shwrs
rain shwrs
light rain
cloudy
cloudy
cloudy
cloudy
clear
clear
clear
clear
Cloud base (m)
8750
9650
8850
600
600
750
650
5450
4400
3350
2900
700
9500
km/h
5
NW
5
E
5
WNW
5
WNW
5
SSW
5
SW
5
W
0
WSW
0
NW
5
W
5
E
5
NNW
5
WNW
0
ENE
5
WSW
5
WNW
5
E
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.3
0.3
0.6
0.1
max °C
21
16
20
23
18
13
15
13
12
16
13
14
18
14
15
19
14
min °C
20
14
16
23
13
12
12
9
10
15
12
12
17
10
12
18
11
 chill °C
20
14
16
23
13
12
12
9
10
15
12
12
17
10
12
18
11
Freezing level m
3750
4100
4350
4400
4050
3550
3150
3050
2850
2800
2750
2700
2800
3100
3250
3400
3550
Sea lvl1000m2000m3000m4000m5000m
14141517139976910101110912102115182316131411111613131812141913
Sunrise
6:35
6:37
6:37
6:39
6:41
Sunset
7:32
7:30
7:29
7:27
7:24
7:22

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Some drizzle, heaviest during Thu night. Warm (max 23°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Sun afternoon, min 10°C on Sat 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.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
30 km WSW
160m alt.
1 hour ago
20°C
Dry
2
Calm
(2 kph at 344).
8
32 km SSW
192m alt.
1 hour ago
-
2
Calm
(2 kph at 261).
6
36 km WSW
21m alt.
2 hours ago
22°C
clear
Clear
15
Light winds from the NNW
(15 kph at 330).
16 km
39 km SW
119m alt.
44 minutes ago
26°C
Dry
2
Calm
(2 kph at 263).
13
SHIP5034
43 km W
15m alt.
2 hours ago
11
Light winds from the NW
(12 kph at 310).
- km
SHIP4245
43 km W
15m alt.
1 hour ago
17
Light winds from the WNW
(17 kph at 300).
- km
SHIP8799
43 km W
15m alt.
2 hours ago
11
Light winds from the NW
(12 kph at 310).
- km
SHIP3867
43 km W
15m alt.
2 hours ago
15
Light winds from the NNW
(15 kph at 340).
- km
SHIP5024
43 km W
3m alt.
2 hours ago
21°C
11
Light winds from the NW
(11 kph at 310).
44 km WSW
4m alt.
2 hours ago
21°C
clear
Clear
9
Light winds from the WNW
(9 kph at 290).
16 km

* 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