– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Fri 03 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 03 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Warm (max 23°C on Mon afternoon, min 11°C on Fri night). Wind will be generally light.										Days 5–7 Weather Summary Some drizzle, heaviest during Wed night. Warm (max 23°C on Tue afternoon, min 7°C on Wed night). Wind will be generally light.
		Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	some clouds	cloudy	rain shwrs	rain shwrs	clear	clear	clear
km/h	S	W	WNW	NE	NW	NW	ENE	WNW	WNW	SSE	WSW	WSW	SW	WSW	WSW	W	NW	NW	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.4	0.6	—	—	—
max °C	16	16	20	18	17	21	18	20	23	21	20	23	19	13	16	14	14	18	16
min °C	11	13	19	11	13	20	13	16	23	14	17	23	12	12	15	7	10	17	10
chill °C	11	13	19	11	13	20	13	16	23	14	17	23	11	11	14	7	10	17	10

Freezing level m	3600	3450	3700	3800	3800	4050	4100	4050	4150	4150	4100	4100	3250	3100	3150	3400	3650	3600	3550
Cloud base (m)	4950							9500	9100		6650	8950		1600	900	850

	—	5:15	—	—	5:16	—	—	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—
	—	—	—	9:06	—	—	9:06	—	—	9:06	—	—	9:05	—	—	9:05	—	—	9:04

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 23°C on Mon afternoon, min 11°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Wed night. Warm (max 23°C on Tue afternoon, min 7°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. 2 hours ago	14° C	Dry	Calm (0 kph at 155).
Snoqualmie Pass 30 km ESE 824m alt. 46 minutes ago	8° C	-	Calm (0 kph at 210).
Renton 30 km WSW 160m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 219).
Grotto wx 35 km NE 321m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 283).
Renton Airport 36 km WSW 218m alt. 2 hours ago	17° C	Dry and cloudy.	Light winds from the S (7 kph at 180).	16 km Low: broken Mid: overcast
Grotto wx 39 km NE 1101m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 0).
Auburn 39 km SW 119m alt. 39 minutes ago	12° C	Dry	Calm (0 kph at 117).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	9° C	Fog -.	Wind obs. (6 kph from 1 degs) was rejected.	0 km
Woodinville 43 km WNW 137.2m alt. 2 hours ago	10° C	Dry	Calm (0 kph at 349).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	16° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: 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.