– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Sat 28 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sat 28 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 11°C on Sun morning, min 4°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 64mm), heaviest during Tue night. Mild temperatures (max 8°C on Tue morning, min 2°C on Wed night). Wind will be generally light.
	Saturday 28			Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	clear	some clouds	light rain	mod. rain	rain shwrs	light rain	light rain	light rain	light rain	mod. rain	heavy rain
km/h	NNW	NNW	NE	WNW	NNW	ENE	WNW	W	SSE	SW	SW	SSE	SW	SW	SW	SW	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	3	5	14	5	4	3	4	7	18
max °C	9	9	5	11	11	6	11	11	8	8	7	6	5	5	4	3	4	5
min °C	7	6	4	9	7	4	9	7	6	7	7	5	4	4	2	2	3	4
chill °C	6	5	4	9	7	4	9	7	6	4	4	3	0	0	-3	-2	0	2

Freezing level m	2600	2400	2400	2350	2200	2300	2150	2250	2150	1750	1550	1400	1150	1200	950	850	1000	1400
Cloud base (m)	700			8100			5900	6150		800	400	600	400	400	450	450	400	400

	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—	6:41	—	—	6:39	—	—
	—	5:50	—	—	5:52	—	—	5:52	—	—	5:54	—	—	5:55	—	—	5:58	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 11°C on Sun morning, min 4°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 64mm), heaviest during Tue night. Mild temperatures (max 8°C on Tue morning, min 2°C on Wed 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 Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 2 hours ago	2° C	-	Calm (0 kph at 356).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	6° C	Dry and cloudy.	Light winds from the NW (6 kph at 320).	16 km Low: overcast
Auburn 39 km SW 119m alt. 54 minutes ago	-1° C	-	Calm (0 kph at 33).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-2° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: few Mid: overcast
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	7° C	Dry and cloudy.	Light winds from the N (7 kph at 1).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	6° C	Dry and cloudy.	Moderate winds from the NNE (20 kph at 20).	16 km Low: scattered Mid: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 155).
SHIP354 54 km W -m alt. 2 hours ago	7° C	-	Calm (4 kph at 60).
SHIP4765 54 km W 15m alt. 3 hours ago			Calm (6 kph at 60).	- 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.