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

Mount Si
Weather Forecast, United States

Issued: 4 pm Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Warm (max 22°C on Fri morning, min 13°C on Sat morning). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the SW on Sun morning, calm by Mon afternoon).

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
thunderstorm
rain showers
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
rain shwrs
risk tstorm
rain shwrs
light rain
rain shwrs
clear
clear
clear
clear
Cloud base (m)
8650
4850
6500
800
550
900
500
500
km/h
10
NNW
10
NNW
5
NW
5
NW
0
NNW
5
ENE
0
W
0
SSW
10
WSW
15
SW
20
SW
20
SW
5
SW
5
N
10
ESE
5
N
5
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.5
4
0.4
1
0.1
max °C
18
18
19
20
20
22
22
20
16
12
9
9
10
11
15
17
17
min °C
16
17
17
19
19
21
22
18
13
11
8
8
9
10
13
17
14
 chill °C
16
17
17
19
19
21
22
18
12
9
4
4
7
10
13
17
14
Freezing level m
4350
4400
4450
4600
4650
4550
4550
4250
4050
3550
3200
3250
3850
4200
4150
4100
4050
Sea lvl1000m2000m3000m4000m5000m
171818202022221915129910111417162419222722242821191614131514182417
Sunrise
6:09
6:09
6:11
6:13
6:13
Sunset
8:12
8:09
8:07
8:07
8:05
8:02

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 22°C on Fri morning, min 13°C on Sat morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the SW on Sun morning, calm by Mon afternoon).

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.
1 hour ago
27° C
Dry
3
Calm
(3 kph at 321).
8
32 km SSW
192m alt.
45 minutes ago
-
Wind obs. (21 kph from 107 degs) was rejected.
36 km WSW
218m alt.
2 hours ago
27° C
clear
Clear
9
Light winds from the N
(9 kph at 350).
16 km
39 km SW
119m alt.
35 minutes ago
24° C
Dry
Wind obs. (11 kph from 207 degs) was rejected.
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
27° C
clear
Clear
7
Light winds from the N
(7 kph at 1).
16 km
44 km WSW
218m alt.
2 hours ago
28° C
clear
-
13
Light winds from the W
(13 kph at 280).
16 km
Low: few
Mid: few
BUOY-EBSW1
46 km W
3m alt.
1 hour ago
49 km NW
196m alt.
33 minutes ago
24° C
Dry
2
Calm
(2 kph at 270).
6
49 km WSW
100m alt.
2 hours ago
26° C
-
SHIP9699
51 km W
3m alt.
2 hours ago
4
Calm
(4 kph at 160).

* 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