– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Wed 17 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 17 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 24°C on Fri afternoon, min 10°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 12°C on Sat morning). Wind will be generally light.
	Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	NW	ENE	NW	NW	ESE	W	WNW	SSW	WSW	W	ENE	WNW	NW	E	W	NW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	20	17	19	22	20	21	24	21	15	20	19	19	23	21	25	27	24
min °C	12	19	11	16	22	16	19	24	10	12	18	12	15	22	17	21	27	19
chill °C	12	19	11	16	22	16	19	24	9	11	18	12	15	22	17	21	27	19

Freezing level m	3650	3800	4150	4150	4250	4200	4050	4100	3900	3750	3750	3750	3500	3800	3900	3850	4200	4150
Cloud base (m)							5250	8500								9000	9550

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:06	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 24°C on Fri afternoon, min 10°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 27°C on Mon afternoon, min 12°C on Sat 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
Harman Heights wx 6 km SSW 251m alt. 2 hours ago	23° C	Dry	Calm (0 kph at 312).
Snoqualmie Pass 30 km ESE 824m alt. 2 hours ago	21° C	-	Calm (0 kph at 233).
Renton 30 km WSW 160m alt. 43 minutes ago	22° C	Dry	Calm (3 kph at 241).
Black Diamond 32 km SSW 192m alt. 3 hours ago		-	Wind obs. (11 kph from 230 degs) was rejected.
Renton Airport 36 km WSW 218m alt. 2 hours ago	21° C	Clear	Light winds from the N (11 kph at 1).	16 km
Grotto wx 39 km NE 1101m alt. 3 hours ago	17° C	Dry	Calm (3 kph at 60).
Auburn 39 km SW 119m alt. 1 hour ago		-	Wind obs. (10 kph from 36 degs) was rejected.
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	16° C	Clear	Light winds from the WNW.(Wind varies from 250 to 320 degs) (13 kph at 290).	16 km
Woodinville 43 km WNW 137.2m alt. 3 hours ago	22° C	Dry	Wind obs. (16 kph from 291 degs) was rejected.
Seattl / oeing Airport 44 km WSW 218m alt. 1 hour ago	22° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 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.