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

Mount Si
Weather Forecast, United States

Issued: 4 pm Thu 20 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 24°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm (max 21°C on Tue afternoon, min 9°C on Wed morning). Winds increasing (calm on Mon morning, fresh winds from the SW by Wed morning).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
cloud
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
some clouds
cloudy
rain shwrs
rain shwrs
light rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
some clouds
Cloud base (m)
5900
4200
450
400
700
750
950
9250
9400
4750
km/h
5
NW
0
E
10
ESE
15
S
10
ESE
10
WSW
10
WSW
10
WSW
10
SW
10
NW
10
N
5
SE
5
NNE
5
SE
5
SE
10
WNW
5
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.2
0.9
1.1
0.2
0.4
0.1
max °C
21
21
23
24
21
14
11
10
8
12
12
16
18
18
20
21
19
min °C
21
20
22
23
15
12
11
8
8
10
11
14
17
18
18
20
12
 chill °C
21
20
22
23
15
11
10
5
6
10
10
14
17
18
18
20
10
Freezing level m
4550
4650
4650
4500
4300
3950
3600
3250
3050
3500
4000
4050
4100
4150
4150
4250
4050
Sea lvl1000m2000m3000m4000m5000m
212123241813119811121518181921162722252820161614141915182419222718
Sunrise
6:09
6:11
6:13
6:13
6:15
Sunset
8:09
8:07
8:07
8:05
8:02
8:00

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 24°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 21°C on Tue afternoon, min 9°C on Wed morning). Winds increasing (calm on Mon morning, fresh winds from the SW by Wed morning).

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.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
30 km WSW
160m alt.
57 minutes ago
23° C
Dry
0
Calm
(0 kph at 351).
3
32 km SSW
192m alt.
40 minutes ago
32° C
Dry
2
Calm
(2 kph at 260).
6
36 km WSW
218m alt.
2 hours ago
26° C
clear
Clear
11
Light winds from the N
(11 kph at 350).
16 km
39 km SW
119m alt.
40 minutes ago
22° C
Dry
0
Calm
(0 kph at 299).
0
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
26° C
clear
Clear
Wind obs. (9 kph from 300 degs) was rejected.
16 km
44 km WSW
218m alt.
2 hours ago
26° C
clear
Clear
13
Light winds from the N
(13 kph at 350).
16 km
BUOY-EBSW1
46 km W
3m alt.
1 hour ago
49 km NW
196m alt.
34 minutes ago
16° C
Dry
2
Calm
(2 kph at 177).
3
49 km WSW
100m alt.
26 minutes ago
25° C
-
SHIP11012
51 km W
15m alt.
2 hours ago
5
Calm
(6 kph at 350).
- 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