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

Mount Si
Weather Forecast, United States

Issued: 10 pm Wed 15 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 19°C on Wed night, min 10°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm (max 22°C on Tue morning, min 12°C on Sat night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
clear
km/h
5
ESE
0
NNW
10
WSW
5
SW
5
WSW
10
W
5
NNW
5
NW
10
NW
10
NNW
5
NNW
5
NW
5
N
0
SSW
5
NW
0
W
0
WSW
5
WNW
5
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
1.8
0.4
2
0.5
max °C
19
16
11
11
11
15
14
11
16
15
14
17
17
19
21
21
22
22
22
min °C
16
14
11
10
10
13
11
11
14
12
13
16
15
17
19
20
20
22
18
 chill °C
16
14
10
10
9
13
11
10
14
11
12
16
15
17
19
20
20
22
18
Freezing level m
4100
3950
4250
4000
4000
4050
4050
3950
3950
4050
4100
4150
4350
4400
4600
4600
4750
4800
4700
Cloud base (m)
450
550
400
550
9250
5350
5450
4700
Sea lvl1000m2000m3000m4000m5000m
1815111111141311151414171618202121222019181714152216172216182419212722242822
Sunrise
5:24
5:26
5:26
5:28
5:30
5:31
Sunset
8:59
8:58
8:57
8:55
8:54
8:53

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 19°C on Wed night, min 10°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Tue morning, 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 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.
2 hours ago
18° C
Dry
2
Calm
(2 kph at 57).
6
36 km WSW
218m alt.
2 hours ago
20° C
clear
Clear
9
Light winds from the NNW
(9 kph at 340).
16 km
39 km SW
119m alt.
2 hours ago
18° C
Dry
0
Calm
(0 kph at 66).
0
40 km SE
628m alt.
2 hours ago
18° C
clear
Clear
0
Calm
(0 kph at 0).
16 km
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
clear
-
6
Light winds from the W
(6 kph at 280).
16 km
Low: few
SHIP1633
48 km SW
15m alt.
2 hours ago
- km
SHIP1990
48 km SW
3m alt.
2 hours ago
16° C
SHIP2999
48 km SW
15m alt.
2 hours ago
- km
SHIP5080
48 km SW
15m alt.
2 hours 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