– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Fri 05 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 05 Dec 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 Mon morning. Very mild (max 10°C on Mon morning, min 5°C on Sat morning). Winds decreasing (strong winds from the SW on Fri afternoon, calm by Sat night).											Days 5–7 Weather Summary Heavy rain (total 72mm), heaviest during Mon afternoon. Very mild (max 11°C on Tue afternoon, min 5°C on Mon night). Mainly strong winds.
	Fri 5		Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	light rain	light rain	light rain	mod. rain	light rain	light rain	heavy rain	heavy rain	rain shwrs	light rain	mod. rain	mod. rain	light rain	mod. rain	heavy rain
km/h	SW	WSW	SW	WSW	SW	SSE	SW	SW	SW	WSW	NW	SSW	SSW	WSW	SW	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	3	4	1.3	2	1.4	6	3	4	12	14	8	0.3	9	8	5	8	18
max°C	8	6	6	6	6	6	8	8	10	10	10	6	11	11	7	6	10
min°C	7	6	5	6	5	6	8	7	9	10	5	5	7	7	6	5	6
chill°C	2	1	0	2	2	4	5	4	6	6	3	5	4	3	3	4	3

Freezing level (m)	1800	1450	1250	1350	1300	1600	1900	1850	2200	2200	1400	1400	2700	1850	1450	1400	2500
Cloud base (m)	350	400	400	500	650	500	400	450	500	400	450	550	800	400	400	400	400

	—	—	7:39	—	—	7:39	—	—	7:41	—	—	7:41	—	—	7:43	—	—
	4:15	—	—	4:15	—	—	4:15	—	—	4:15	—	—	4:15	—	—	4:15	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 37mm), heaviest during Mon morning. Very mild (max 10°C on Mon morning, min 5°C on Sat morning). Winds decreasing (strong winds from the SW on Fri afternoon, calm by Sat night).

Mount Si Weather (Days 3-6):

Heavy rain (total 72mm), heaviest during Mon afternoon. Very mild (max 11°C on Tue afternoon, min 5°C on Mon night). Mainly strong winds.

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. 1 hour ago	11° C	Dry	Calm (0 kph at 266).
Black Diamond 32 km SSW 192m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 256).
Renton Airport 36 km WSW 218m alt. 2 hours ago	12° C	Clear	Moderate winds from the SSW (22 kph at 200).	16 km
Auburn 39 km SW 119m alt. 1 hour ago	-1° C	-	Calm (0 kph at 209).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	3° C	-	Light winds from the W.(Wind varies from 170 to 060 degs) (17 kph at 260).	0.0 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	12° C	Dry and partly cloudy.	Fresh winds from the SSW (33 kph at 200).	16 km Low: few Mid: broken
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	11° C	Dry and partly cloudy.	Fresh winds from the SSW (35 kph at 200).	16 km Low: scattered Mid: broken
Snohomish 49 km NW 196m alt. 42 minutes ago	11° C	Dry	Light winds from the SSW (10 kph at 201).
Seattle 49 km WSW 100m alt. 38 minutes ago	11° C	-
BUOY-WPOW1 55 km W 3m alt. 1 hour ago	12° C		Near gales from the SSW (58 kph at 210).

* 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.