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

Mount Si
Weather Forecast, United States

Issued: 10 am Tue 01 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Moderate rain (total 16mm), heaviest on Wed night. Very mild (max 18°C on Tue afternoon, min 9°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 23°C on Sun afternoon, min 10°C on Fri morning). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
rain showers
rain showers
rain showers
light rain
mod rain
rain showers
thunderstorm
rain showers
part cloud
thunderstorm
rain showers
clear
part cloud
clear
clear
clear
part cloud
some clouds
rain shwrs
rain shwrs
rain shwrs
light rain
mod. rain
rain shwrs
risk tstorm
rain shwrs
some clouds
risk tstorm
rain shwrs
clear
some clouds
clear
clear
clear
some clouds
Cloud base (m)
850
1500
850
600
400
2100
1650
2050
650
1700
2600
2650
2700
8800
3200
3200
7100
km/h
5
WSW
10
SW
5
SSW
5
S
5
SSE
10
SW
5
W
5
WNW
0
SE
5
NW
0
NW
5
E
0
ENE
5
NW
5
ESE
0
N
10
NNW
5
E
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.5
1.2
2
8
0.6
3
0.4
1.7
0.6
max °C
17
18
14
13
13
12
12
15
12
13
16
12
17
19
16
21
23
18
min °C
15
17
12
13
13
10
10
14
9
10
14
10
12
19
14
16
23
16
 chill °C
15
17
11
12
13
9
10
14
9
10
14
10
12
19
14
16
23
16
Freezing level m
3600
3400
2950
2500
2550
2100
2100
2350
2300
2300
2500
2600
2750
2850
3200
3250
3450
3400
Sea lvl1000m2000m3000m4000m5000m
12119796687798111313151717161813131311111511121511151915192317
Sunrise
6:24
6:26
6:26
6:28
6:30
6:31
Sunset
7:46
7:45
7:44
7:42
7:39
7:37

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 16mm), heaviest on Wed night. Very mild (max 18°C on Tue afternoon, min 9°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 23°C on Sun afternoon, min 10°C on Fri morning). 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
36 km WSW
218m alt.
1 hour ago
19°C
cloudy
Dry and cloudy.
7
Light winds from the S
(7 kph at 180).
16 km
Low: overcast
39 km SW
119m alt.
1 hour ago
-
0
Calm
(0 kph at 242).
5
SHIP4935
43 km W
3m alt.
3 hours ago
22°C
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
20°C
partially cloudy
Dry and partly cloudy.
19
Light winds from the SSW
(19 kph at 200).
16 km
Low: few
Mid: broken
44 km WSW
218m alt.
2 hours ago
18°C
partially cloudy
Dry and partly cloudy.
15
Light winds from the SSW
(15 kph at 200).
16 km
Low: scattered
Mid: broken
High: broken
SHIP3820
43 km W
15m alt.
3 hours ago
- km
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
20°C
partially cloudy
Dry and partly cloudy.
19
Light winds from the SSW
(19 kph at 200).
16 km
Low: few
Mid: broken
44 km WSW
218m alt.
2 hours ago
18°C
partially cloudy
Dry and partly cloudy.
15
Light winds from the SSW
(15 kph at 200).
16 km
Low: scattered
Mid: broken
High: broken
BUOY-EBSW1
46 km W
3m alt.
53 minutes ago
49 km NW
196m alt.
1 hour ago
19°C
Dry
16
Light winds from the S
(16 kph at 171).
27

* 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