– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Tue 07 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 07 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 20°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 24°C on Mon afternoon, min 9°C on Sat night). Wind will be generally light.
		Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12			Monday 13
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	rain shwrs	rain shwrs	clear	clear	some clouds	cloudy	rain shwrs	some clouds	light rain	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NE	WNW	WNW	WNW	WNW	WNW	SW	SW	W	WSW	SW	SW	SSE	W	WNW	ESE	W	NW	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	0.1	—	—	—	—	0.1	—	0.1	—	—	—	—	—	—	—	—
max °C	18	15	16	16	15	20	18	13	18	17	13	18	16	17	22	19	20	24	21
min °C	12	13	16	11	12	18	11	12	15	13	12	16	9	13	20	12	16	23	15
chill °C	12	13	16	11	12	18	11	12	15	13	12	16	9	13	20	12	16	23	15

Freezing level m	3800	3700	3750	3750	3650	3700	3550	3350	3350	3350	3300	3500	3550	3750	4000	4100	4200	4400	4500
Cloud base (m)		500	700	650		2100	2550	500	700	1600	550	800				9150

	—	5:18	—	—	5:18	—	—	5:20	—	—	5:20	—	—	5:20	—	—	5:22	—	—
	—	—	—	9:05	—	—	9:04	—	—	9:02	—	—	9:02	—	—	9:01	—	—	9:00

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 20°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Mon afternoon, min 9°C on Sat 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	16° C	Dry	Calm (0 kph at 176).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	12° C	-	Calm (0 kph at 224).
Renton 30 km WSW 160m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 51).
Grotto wx 35 km NE 321m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 279).
Renton Airport 36 km WSW 218m alt. 3 hours ago	18° C	Clear	Light winds from the N (6 kph at 10).	16 km
Grotto wx 39 km NE 1101m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 352).
Auburn 39 km SW 119m alt. 3 hours ago	25° C	Dry	Calm (0 kph at 63).
Stampede Pass Airport 40 km SE 628m alt. 4 hours ago	11° C	Clear	Wind obs. (7 kph from 230 degs) was rejected.	16 km
Woodinville 43 km WNW 137.2m alt. 2 hours ago	16° C	Dry	Wind obs. (13 kph from 297 degs) was rejected.
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	17° C	-	Calm (0 kph at 0).	16 km Low: few

* 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.