– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Sun 26 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 26 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Some drizzle, heaviest during Tue afternoon. Warm (max 23°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 12°C on Wed morning). Wind will be generally light.
	Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Friday 31
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	some clouds	clear	clear	some clouds	rain shwrs	light rain	rain shwrs	some clouds	clear	some clouds	clear	clear	clear	clear	clear	clear
Cloud base (m)	900	1600	2850		2300	1950	1850	950	850	500	9550	7200		6650
km/h	SW	WNW	S	WSW	WSW	SE	SW	W	W	NW	NW	SW	WNW	WNW	ESE	WNW	W	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	0.1	—	—	—	—	0.1	0.4	0.4	—	—	—	—	—	—	—	—	—
max °C	17	20	17	18	23	19	18	19	16	16	21	18	20	23	20	20	24	21
min °C	15	19	13	15	21	13	15	16	11	12	20	13	16	22	13	16	23	12
chill °C	15	19	13	15	21	13	15	16	11	12	20	13	16	22	13	16	23	12

Freezing level m	3500	3400	3350	3500	3600	3950	3500	3350	3900	4000	4100	4100	4250	4300	4550	4600	4650	4100

	5:35	—	—	5:37	—	—	5:39	—	—	5:39	—	—	5:41	—	—	5:43	—	—
	—	—	8:49	—	—	8:47	—	—	8:45	—	—	8:45	—	—	8:44	—	—	8:42

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Some drizzle, heaviest during Tue afternoon. Warm (max 23°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Fri afternoon, min 12°C on Wed morning). 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
Renton 30 km WSW 160m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 226).
Renton Airport 36 km WSW 218m alt. 2 hours ago	18° C	Light rain .	Light winds from the S (6 kph at 190).	16 km Low: few Mid: broken High: overcast
Auburn 39 km SW 119m alt. 2 hours ago	23° C	Dry	Calm (0 kph at 238).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	9° C	Fog -.	Calm (0 kph at 0).	1 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	18° C	Dry and cloudy.	Light winds from the S (11 kph at 180).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	17° C	Dry and cloudy.	Light winds from the SSW (9 kph at 200).	16 km Low: scattered Mid: broken High: overcast
BUOY-EBSW1 46 km W 3m alt. 1 hour ago
Snohomish 49 km NW 196m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 194).
Seattle 49 km WSW 100m alt. 3 hours ago	28° C	-
SHIP2753 54 km W 3m alt. 54 minutes ago	16° C

* 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.