– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Fri 05 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 05 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 12°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 40mm), heaviest during Mon night. Very mild (max 13°C on Wed afternoon, min 6°C on Mon night). Wind will be generally light.
	Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	AM	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	rain shwrs	light rain	light rain	light rain	light rain	light rain	mod. rain	heavy rain	heavy rain	mod. rain	light rain	rain shwrs	rain shwrs	rain shwrs
km/h	SW	SW	SW	SW	SW	WSW	SW	WSW	SSE	S	WNW	SW	W	W	WSW	W	WNW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.3	3	3	1.1	3	2	0.6	0.1	4	4	5	11	10	5	1.7	0.4	1.3	0.7
max °C	8	10	8	6	8	7	6	12	11	10	9	7	7	8	9	9	13	11
min °C	8	10	6	6	7	6	6	9	7	8	9	6	6	8	7	7	11	7
chill °C	6	8	5	4	5	5	4	9	6	6	9	5	3	8	6	6	11	7

Freezing level m	1600	1850	1350	1350	1550	1550	1450	2150	1750	1800	1900	1500	1550	1850	1800	2050	2300	3100
Cloud base (m)	900	600	700	400	550	500	400	550	400	450	600	500	400	400	650	550	850	1950

	5:11	—	—	5:11	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	8:59	—	—	9:00	—	—	9:00	—	—	9:00	—	—	9:01	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 12°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 40mm), heaviest during Mon night. Very mild (max 13°C on Wed afternoon, min 6°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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 320).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	8° C	-	Calm (0 kph at 117).
Renton 30 km WSW 160m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 215).
Black Diamond 32 km SSW 192m alt. 58 minutes ago		-	Calm (0 kph at 0).
Grotto wx 35 km NE 321m alt. 35 minutes ago	10° C	Dry	Light winds from the W (6 kph at 278).
Renton Airport 36 km WSW 218m alt. 2 hours ago	13° C	Dry and cloudy.	Light winds from the S (13 kph at 180).	16 km Low: overcast
Grotto wx 39 km NE 1101m alt. 45 minutes ago	5° C	Dry	Calm (0 kph at 283).
Auburn 39 km SW 119m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 208).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	3° C	Mist -.	Wind obs. (11 kph from 1 degs) was rejected.	10 km Low: overcast
Woodinville 43 km WNW 137.2m alt. 1 hour ago	9° C	Dry	Wind obs. (6 kph from 308 degs) was rejected.

* 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.