– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 pm Wed 22 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 22 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 6°C on Fri afternoon, min 0°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Sun night). Wind will be generally light.
	Wed 22		Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	cloudy	some clouds	some clouds	clear	clear	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	clear	rain shwrs	rain shwrs	rain shwrs
km/h	WSW	SW	W	NW	NNE	ESE	NNW	ENE	NNE	NNW	SSE	W	NW	NNW	W	NW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	4	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.6	0.1
max °C	2	2	1	3	3	5	6	6	6	7	6	6	8	7	4	7	6
min °C	2	0	0	2	3	4	6	5	6	7	5	5	7	3	3	5	4
chill °C	-2	-4	-3	0	0	2	4	3	3	4	5	5	4	3	1	3	2

Freezing level m	1650	1300	1450	1900	1800	1950	2100	2000	1950	2050	1950	1900	2100	1900	1750	2100	2150
Cloud base (m)	400	500	650	850	1750		1950		3350	2700	4250	3350	2550	6400	600	2050

	—	—	6:03	—	—	6:01	—	—	6:00	—	—	5:58	—	—	5:56	—	—
	—	8:05	—	—	8:07	—	—	8:07	—	—	8:09	—	—	8:10	—	—	8:12

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 4mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 6°C on Fri afternoon, min 0°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Sun 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 Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 2).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	5° C	-	Calm (0 kph at 165).
Renton 30 km WSW 160m alt. 1 hour ago	10° C	Dry	Light winds from the SW (6 kph at 226).
Grotto wx 35 km NE 321m alt. 53 minutes ago	9° C	Dry	Calm (0 kph at 141).
Renton Airport 36 km WSW 218m alt. 3 hours ago	12° C	Dry and cloudy.	Light winds from the S (15 kph at 190).	16 km Low: overcast
Grotto wx 39 km NE 1101m alt. 49 minutes ago	3° C	Dry	Calm (0 kph at 57).
Auburn 39 km SW 119m alt. 1 hour ago	20° C	Dry	Calm (0 kph at 30).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	2° C	Light rain .	Light winds from the WSW.(Wind varies from 190 to 310 degs) (19 kph at 250).	1 km Mid: broken High: overcast
Woodinville 43 km WNW 137.2m alt. 2 hours ago	8° C	Dry	Wind obs. (18 kph from 274 degs) was rejected.
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	12° C	Dry and cloudy.	Light winds from the S (11 kph at 180).	16 km Low: overcast

* 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.