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

Mount Si
Weather Forecast, United States

Issued: 4 pm Tue 28 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Some drizzle, heaviest during Tue afternoon. Very mild (max 15°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 18°C on Fri afternoon, min 6°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Sun night).

Tue
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
rain showers
rain showers
rain showers
clear
clear
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
Cloud base (m)
1650
450
9100
700
650
700
850
750
km/h
15
WSW
5
W
0
NW
5
WNW
5
WNW
5
SW
5
W
5
W
5
SW
10
W
10
SW
30
SW
35
WSW
10
SW
5
NW
20
NNW
10
N
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
1
0.9
1.6
7
0.7
0.1
max °C
11
11
10
14
13
11
15
15
15
18
17
10
10
8
7
10
9
min °C
10
8
8
13
11
11
14
12
14
16
11
10
8
6
6
9
8
 chill °C
8
8
8
13
11
10
14
12
14
16
9
7
3
4
5
7
6
Freezing level m
3500
3750
3950
4050
4050
4050
4200
4350
4350
4450
4100
3150
2650
3000
2650
2850
3450
Sea lvl1000m2000m3000m4000m5000m
111091412111514151714109771091714142115162217192418151511121712
Sunrise
5:39
5:41
5:43
5:43
5:45
Sunset
8:45
8:45
8:44
8:42
8:40
8:39

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Some drizzle, heaviest during Tue afternoon. Very mild (max 15°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 18°C on Fri afternoon, min 6°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Sun night).

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.
40 minutes ago
21° C
Dry
3
Calm
(3 kph at 333).
16
36 km WSW
218m alt.
2 hours ago
23° C
cloudy
Dry and cloudy.
17
Light winds from the SSW
(17 kph at 200).
16 km
Low: overcast
39 km SW
119m alt.
1 hour ago
-
3
Calm
(3 kph at 180).
11
40 km SE
628m alt.
2 hours ago
15° C
partially cloudy
Dry and partly cloudy.
9
Light winds from the WNW
(9 kph at 290).
16 km
Low: broken
Mid: broken
High: broken
SHIP2566
43 km W
15m alt.
3 hours ago
- km
SHIP6507
43 km W
15m alt.
3 hours ago
- km
SHIP4585
43 km W
15m alt.
3 hours ago
- km
SHIP7494
43 km W
15m alt.
3 hours ago
- km
SHIP7607
43 km W
3m alt.
3 hours ago
24° C
SHIP5985
44 km SW
15m alt.
56 minutes ago
- 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