– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Sun 28 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 28 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun afternoon, min 9°C on Sun morning). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light.
	Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	light rain	light rain	light rain	light rain	cloudy	rain shwrs	rain shwrs	rain shwrs	rain shwrs	some clouds	some clouds	light rain	light rain	rain shwrs	rain shwrs	some clouds
km/h	W	WNW	W	W	WNW	W	WSW	W	W	WSW	WSW	SW	WSW	WSW	WNW	W	WNW	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.6	1.2	0.3	0.1	0.1	0.1	—	0.1	0.1	0.1	0.3	—	—	0.1	0.2	1	0.5	—
max °C	10	14	13	10	14	14	11	14	14	11	13	13	11	13	11	12	16	16
min °C	9	12	10	10	11	10	10	12	10	10	13	8	9	11	10	11	16	11
chill °C	8	12	9	10	11	10	10	12	10	10	13	8	9	11	10	11	16	11

Freezing level m	2750	2950	3500	3650	3550	3400	3350	3300	3200	3050	2900	3100	2400	2500	2700	3100	3500	3700
Cloud base (m)	450	650	650	500	550	750	550	850	850	700	900	950	600	750	650	800	1600	5100

	5:11	—	—	5:11	—	—	5:11	—	—	5:13	—	—	5:13	—	—	5:13	—	—
	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun afternoon, min 9°C on Sun morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Fri afternoon, min 8°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. 1 hour ago	13° C	Dry	Calm (0 kph at 337).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	8° C	-	Calm (0 kph at 157).
Renton 30 km WSW 160m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 245).
Grotto wx 35 km NE 321m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 166).
Renton Airport 36 km WSW 218m alt. 2 hours ago	14° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: broken High: overcast
Grotto wx 39 km NE 1101m alt. 35 minutes ago	7° C	Dry	Calm (0 kph at 42).
Auburn 39 km SW 119m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 267).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	5° C	Fog -.	Wind obs. (7 kph from 1 degs) was rejected.	0 km
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	13° C	Dry and cloudy.	Light winds from the S (6 kph at 180).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	12° C	Dry and cloudy.	Light winds from the SW (11 kph at 230).	16 km Low: scattered Mid: broken High: overcast

* 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.