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

Mount Si
Weather Forecast, United States

Issued: 10 pm Mon 17 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm (max 25°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
light rain
rain showers
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
rain shwrs
light rain
rain shwrs
clear
Cloud base (m)
7250
6600
9700
9400
8950
9200
8500
5000
4450
400
550
700
km/h
0
E
5
WNW
10
W
0
ESE
5
WNW
5
WNW
5
E
5
WNW
5
WNW
5
E
0
SW
5
W
5
SW
5
SW
5
W
5
NE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.6
1
0.1
0.2
max °C
20
20
24
21
20
24
21
23
27
23
22
25
19
14
17
16
min °C
16
16
23
14
16
22
16
19
26
20
20
25
13
13
15
12
 chill °C
16
16
23
14
16
22
16
19
26
20
20
25
12
13
15
12
Freezing level m
4150
4300
4300
4400
4300
4350
4450
4450
4600
4500
4150
4150
3700
3650
3800
4000
Sea lvl1000m2000m3000m4000m5000m
151417151517161821201920139101018182418182319212722212516141614
Sunrise
6:05
6:07
6:09
6:09
6:11
Sunset
8:14
8:12
8:09
8:07
8:07

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 27°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Fri afternoon. Warm (max 25°C on Fri afternoon, min 12°C on Sat night). 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
30 km WSW
160m alt.
56 minutes ago
16° C
Dry
0
Calm
(0 kph at 134).
0
32 km SSW
192m alt.
41 minutes ago
-
2
Calm
(2 kph at 138).
6
36 km WSW
218m alt.
2 hours ago
18° C
clear
Clear
Wind obs. (6 kph from 130 degs) was rejected.
11 km
39 km SW
119m alt.
45 minutes ago
16° C
Dry
0
Calm
(0 kph at 167).
0
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
18° C
clear
Clear
0
Calm
(0 kph at 0).
16 km
44 km WSW
218m alt.
2 hours ago
16° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
BUOY-EBSW1
46 km W
3m alt.
1 hour ago
49 km NW
196m alt.
40 minutes ago
15° C
Dry
2
Calm
(2 kph at 223).
5
49 km WSW
100m alt.
2 hours ago
-
SHIP11976
54 km W
15m alt.
3 hours ago
8
Light winds from the W
(8 kph at 270).
- 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