– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Tue 09 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 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 Light rain (total 7mm), mostly falling on Tue night. Very mild (max 19°C on Fri afternoon, min 7°C on Tue night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 10°C on Fri night). Wind will be generally light.
		Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14			Monday 15
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear
km/h	WSW	WNW	NNW	E	NW	NW	ENE	NW	NW	ENE	WNW	NNW	ESE	NW	NW	ESE	WNW	NW	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	4	2	0.8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	8	10	13	12	15	18	15	15	19	16	19	22	19	24	26	23	25	27	24
min °C	7	7	11	7	12	18	9	12	18	10	15	22	16	20	26	18	22	27	19
chill °C	4	6	10	7	12	18	9	12	18	10	15	22	16	20	26	18	22	27	19

Freezing level m	1550	1750	2850	3350	3150	3250	3300	3300	3000	3200	3300	3700	3550	3850	4100	4100	4150	4450	4650
Cloud base (m)	400	500	900				2150			8850		9000	8750	9350				6000

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

Mount Si Weather (Days 0-3):

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

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 27°C on Mon 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. 2 hours ago	10° C	Dry	Calm (0 kph at 337).
Snoqualmie Pass 30 km ESE 824m alt. 49 minutes ago	6° C	-	Calm (3 kph at 231).
Renton 30 km WSW 160m alt. 2 hours ago	11° C	Dry	Calm (3 kph at 210).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Calm (0 kph at 0).
Grotto wx 35 km NE 321m alt. 1 hour ago	9° C	Dry	Calm (3 kph at 110).
Renton Airport 36 km WSW 218m alt. 2 hours ago	12° C	Dry and cloudy.	Light winds from the S (19 kph at 190).	16 km Low: broken Mid: overcast
Grotto wx 39 km NE 1101m alt. 1 hour ago	3° C	Dry	Calm (3 kph at 109).
Auburn 39 km SW 119m alt. 58 minutes ago	12° C	Dry	Calm (0 kph at 212).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	2° C	Light rain .	Light winds from the W.(Wind varies from 210 to 080 degs) (15 kph at 280).	3 km Mid: overcast
Woodinville 43 km WNW 137.2m alt. 46 minutes ago	8° C	Dry	Light winds from the SW (8 kph at 214).

* 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.