– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Fri 27 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Fri 27 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 10°C on Sun morning, min 2°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 27mm), heaviest during Tue night. Very mild (max 11°C on Tue morning, min 4°C on Wed afternoon). Wind will be generally light.
	Friday 27			Saturday 28			Sunday 1			Monday 2			Tuesday 3			Wednesday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	heavy rain	mod. rain	rain shwrs	light rain
km/h	SW	WSW	S	NNW	NNW	ENE	SW	NNW	NNE	WNW	WNW	ENE	NW	SW	SSW	SW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	0.1	—	—	—	—	—	—	—	—	—	—	—	—	14	5	4	4
max °C	6	7	3	9	9	4	10	10	5	10	10	6	11	9	6	5	4	4
min °C	5	6	2	6	5	3	8	6	4	8	6	6	10	7	5	5	4	4
chill °C	2	5	2	5	5	2	8	6	4	7	6	6	10	6	2	2	2	2

Freezing level m	1100	1350	950	2200	2450	2400	2200	2200	2200	2150	2150	2200	2400	1800	1500	1200	1150	1150
Cloud base (m)	650	750	700	500		8450	7900						5700	5000	400	450	400	450

	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—	6:41	—	—
	—	5:49	—	—	5:50	—	—	5:52	—	—	5:52	—	—	5:54	—	—	5:55	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 10°C on Sun morning, min 2°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 27mm), heaviest during Tue night. Very mild (max 11°C on Tue morning, min 4°C on Wed afternoon). 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. 42 minutes ago	7° C	Dry	Calm (0 kph at 350).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the S (11 kph at 190).	16 km Low: scattered Mid: broken High: overcast
Auburn 39 km SW 119m alt. 2 hours ago	0° C	-	Calm (0 kph at 75).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-1° C	-	Light winds from the N (11 kph at 1).	0.0 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the S (19 kph at 190).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	7° C	Dry and cloudy.	Moderate winds from the S.(Wind varies from 015 to 023 degs) (20 kph at 170).	16 km Low: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	8° C	Dry	Light winds from the SSE (11 kph at 150).
Seattle 49 km WSW 100m alt. 2 hours ago	19° C	-	Calm (3 kph at 95).
SHIP9738 54 km W 15m alt. 3 hours ago			Light winds from the S (13 kph at 170).	- 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.