– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 pm Tue 09 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 09 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 26°C on Sun afternoon, min 10°C on Fri night). Wind will be generally light.
	Tue 9		Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	SW	WSW	WNW	NNW	E	NW	NW	E	NW	NW	NE	NW	NW	ESE	WNW	NW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	5	5	1.6	0.7	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	10	8	10	13	12	15	19	15	15	18	16	18	22	19	25	26	23
min °C	9	7	7	12	7	12	18	9	12	18	10	15	21	16	21	26	18
chill °C	6	4	6	11	7	12	18	9	12	18	10	15	21	16	21	26	18

Freezing level m	1850	1550	1750	2850	3400	3100	3150	3350	3400	3250	3300	3200	3750	3600	3700	3900	4050
Cloud base (m)	550	450	500	950			3300		9000	8550				8800

	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	9:01	—	—	9:02	—	—	9:02	—	—	9:04	—	—	9:04	—	—	9:05

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Sun afternoon, min 10°C on Fri 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	12° C	Dry	Calm (0 kph at 341).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	8° C	-	Calm (0 kph at 166).
Renton 30 km WSW 160m alt. 1 hour ago	13° C	Dry	Light winds from the W (14 kph at 277).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Wind obs. (13 kph from 360 degs) was rejected.
Grotto wx 35 km NE 321m alt. 2 hours ago	11° C	Dry	Calm (2 kph at 324).
Renton Airport 36 km WSW 218m alt. 3 hours ago	17° C	Dry and partly cloudy.	Moderate winds from the SSW (28 kph at 210).	16 km Low: broken
Grotto wx 39 km NE 1101m alt. 2 hours ago	5° C	Dry	Calm (3 kph at 144).
Auburn 39 km SW 119m alt. 1 hour ago		-	Calm (0 kph at 212).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	4° C	Light rain .	Light winds from the W.(Wind varies from 180 to 330 degs) (13 kph at 260).	1 km Mid: broken High: overcast
Woodinville 43 km WNW 137.2m alt. 2 hours ago	12° C	Dry	Wind obs. (11 kph from 342 degs) was rejected.

* 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.