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

Mount Si
Weather Forecast, United States

Issued: 4 pm Wed 29 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Very mild (max 18°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Sat afternoon. Very mild (max 18°C on Tue morning, min 6°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Mon morning).

Wed
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
light rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
Cloud base (m)
9450
9400
1700
450
800
600
km/h
5
WNW
5
W
5
WSW
10
W
5
WNW
0
W
5
W
5
WSW
25
SW
40
WSW
20
SW
10
N
15
NNW
10
NNW
5
NE
5
N
10
ESE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
4
1.1
0.4
0.1
max °C
14
13
10
15
14
16
18
17
12
10
8
7
10
9
12
15
16
min °C
13
10
10
13
12
14
17
13
11
8
6
6
9
7
10
14
15
 chill °C
13
10
9
13
12
14
17
12
8
3
3
5
7
5
10
14
15
Freezing level m
4000
4050
4000
4200
4400
4450
4550
4400
3400
2800
2650
2900
3200
3200
3550
3700
3800
Sea lvl1000m2000m3000m4000m5000m
1412101413151815129771081115162115162216192518161412121812162218
Sunrise
5:41
5:43
5:43
5:45
5:46
Sunset
8:45
8:44
8:42
8:40
8:39
8:37

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 18°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 6mm), mostly falling on Sat afternoon. Very mild (max 18°C on Tue morning, min 6°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Mon 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.
43 minutes ago
26° C
Dry
0
Calm
(0 kph at 14).
6
36 km WSW
218m alt.
2 hours ago
24° C
clear
Clear
15
Light winds from the NNW
(15 kph at 340).
16 km
39 km SW
119m alt.
43 minutes ago
-
0
Calm
(0 kph at 275).
5
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
23° C
clear
Clear
11
Light winds from the WNW
(11 kph at 300).
16 km
44 km WSW
218m alt.
2 hours ago
24° C
partially cloudy
Dry and partly cloudy.
17
Light winds from the W
(17 kph at 280).
16 km
Low: few
Mid: broken
BUOY-EBSW1
46 km W
3m alt.
1 hour ago
49 km NW
196m alt.
25 minutes ago
22° C
Dry
5
Calm
(5 kph at 221).
16
49 km WSW
100m alt.
1 hour ago
-
SHIP2546
51 km W
3m alt.
3 hours ago
19° C
17
Light winds from the W
(17 kph at 280).
SHIP1475
51 km W
15m alt.
1 hour ago
11
Light winds from the WNW
(12 kph at 290).
- 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