– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Fri 12 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 12 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 27°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 26°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.
	Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	clear	clear	some clouds	some clouds	clear	clear	light rain	rain shwrs	clear	clear	clear	clear
km/h	NW	NW	E	NW	NW	ESE	WNW	NW	E	W	W	SSW	WSW	WNW	ENE	NW	NW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.2	—	—	—	—
max °C	15	19	16	22	24	20	25	27	23	23	26	21	15	18	16	19	22	19
min °C	12	18	13	18	24	17	21	26	20	21	25	13	14	15	11	15	21	14
chill °C	12	18	13	18	24	17	21	26	20	21	25	13	14	15	11	15	21	14

Freezing level m	3200	3300	3350	3550	3800	3750	4050	4300	4550	4500	4400	4300	4100	4300	4600	4300	4450	4500
Cloud base (m)	8700	9100				8250			7100	4700	9750		500	500			9600	9150

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:04	—	—	9:04	—	—	9:05	—	—	9:05	—	—	9:06	—	—	9:06

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 27°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Mon afternoon, min 11°C on Tue 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
Snoqualmie Pass 30 km ESE 824m alt. 2 hours ago	4° C	-	Calm (2 kph at 17).
Grotto wx 35 km NE 321m alt. 3 hours ago	9° C	Dry	Calm (2 kph at 23).
Renton Airport 36 km WSW 218m alt. 2 hours ago	14° C	Clear	Light winds from the N (9 kph at 350).	16 km
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	6° C	Clear	Light winds from the SW (7 kph at 220).	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	14° C	Clear	Calm (0 kph at 0).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	13° C	Dry and partly cloudy.	Light winds from the NNE (11 kph at 30).	16 km Low: few Mid: scattered
Seattle 49 km WSW 100m alt. 2 hours ago		-	Calm (3 kph at 207).
SHIP10531 50 km WSW 3m alt. 56 minutes ago
SHIP7251 54 km W 15m alt. 3 hours ago			Calm (2 kph at 330).	- km
SHIP4904 54 km W 15m alt. 3 hours ago			Calm (2 kph at 330).	- 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.