– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Fri 14 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 14 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 37mm), heaviest during Fri afternoon. Very mild (max 11°C on Sat afternoon, min 6°C on Mon morning). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 9°C on Wed morning, min 2°C on Mon night). Wind will be generally light.
	Fri 14		Saturday 15			Sunday 16			Monday 17			Tuesday 18			Wednesday 19
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	mod. rain	light rain	light rain	some clouds	light rain	mod. rain	mod. rain	light rain	rain shwrs	some clouds	light rain	rain shwrs	clear	clear	some clouds	cloudy
km/h	SW	SW	SW	SSW	ESE	SE	W	SSW	WSW	SW	SSW	SW	NW	ENE	SE	ESE	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	9	9	4	0.8	—	1	6	5	2	0.1	—	0.4	0.1	—	—	—	—
max°C	9	10	10	11	11	11	10	10	7	6	4	4	4	3	9	7	6
min°C	8	10	10	10	10	10	10	8	6	5	2	4	2	2	6	6	6
chill°C	5	7	9	10	9	10	10	7	5	4	1	4	2	2	5	3	3

Freezing level (m)	2100	2800	2350	3100	3050	2650	2350	2200	1750	1350	1150	1000	1050	800	2050	2300	2050
Cloud base (m)	400	400	400	400		2200	450	400	450	450	650	600	750	600	6800		5600

	—	—	7:11	—	—	7:13	—	—	7:13	—	—	7:16	—	—	7:16	—	—
	4:30	—	—	4:30	—	—	4:29	—	—	4:28	—	—	4:27	—	—	4:25	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 37mm), heaviest during Fri afternoon. Very mild (max 11°C on Sat afternoon, min 6°C on Mon morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Wed morning, min 2°C on Mon 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 22 minutes ago	7° C	Dry	Calm (0 kph at 240).
Renton Airport 36 km WSW 218m alt. 1 hour ago	11° C	Dry and cloudy.	Light winds from the SSE (9 kph at 160).	16 km Low: broken Mid: broken High: overcast
Auburn 39 km SW 119m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 168).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	5° C	-	Light winds from the W (15 kph at 270).	0.0 km
SHIP5002 42 km WSW 3m alt. 3 hours ago	10° C		Calm (5 kph at 130).
SHIP5979 42 km WSW 15m alt. 2 hours ago			Light winds from the SSE (8 kph at 160).	- km
SHIP5649 42 km WSW 3m alt. 2 hours ago	11° C		Light winds from the SSE (9 kph at 150).
SHIP7006 42 km WSW 3m alt. 2 hours ago	11° C		Light winds from the SSE (8 kph at 160).
SHIP6935 42 km WSW 15m alt. 3 hours ago			Calm (6 kph at 130).	- km
SHIP5854 42 km WSW 15m alt. 3 hours ago			Calm (6 kph at 130).	- 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.