– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Mon 01 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 01 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 2mm), mostly falling on Wed night. Warm (max 25°C on Tue afternoon, min 8°C on Thu morning). Wind will be generally light.										Days 5–7 Weather Summary Moderate rain (total 19mm), heaviest on Fri night. Very mild (max 15°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.
		Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	rain shwrs	light rain	light rain	light rain	rain shwrs	clear	some clouds	some clouds	light rain	rain shwrs	rain shwrs	rain shwrs	rain shwrs	rain shwrs	rain shwrs	clear
km/h	ESE	SSE	WNW	SSE	WSW	W	WSW	WSW	W	S	SW	SW	SSW	SW	WSW	WSW	NNW	NW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.1	0.4	0.5	0.9	0.3	—	—	—	1.1	8	2	4	3	0.1	0.1	—
max °C	17	22	25	22	13	14	11	10	15	14	12	10	8	8	9	8	11	15	13
min °C	14	18	25	14	13	14	9	8	13	7	10	9	6	6	8	6	7	14	9
chill °C	14	18	25	14	13	13	8	8	13	6	9	8	3	4	6	5	7	14	9

Freezing level m	3000	3150	3350	3150	2600	2500	2300	3100	3000	2600	2050	1750	1450	1450	1650	1600	1800	2450	2600
Cloud base (m)	5400		3150		1950	900	450	700	850		2650	550	550	700	700	800	550	1700

	—	5:13	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:09	—	—
	—	—	—	8:57	—	—	8:57	—	—	8:58	—	—	8:59	—	—	9:00	—	—	9:00

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 2mm), mostly falling on Wed night. Warm (max 25°C on Tue afternoon, min 8°C on Thu morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 19mm), heaviest on Fri night. Very mild (max 15°C on Sun afternoon, min 6°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	13° C	Dry	Calm (0 kph at 5).
Snoqualmie Pass 30 km ESE 824m alt. 56 minutes ago	7° C	-	Calm (0 kph at 312).
Renton 30 km WSW 160m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 39).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Calm (2 kph at 0).
Grotto wx 35 km NE 321m alt. 1 hour ago	13° C	Dry	Calm (5 kph at 62).
Renton Airport 36 km WSW 218m alt. 2 hours ago	16° C	Clear	Calm (0 kph at 0).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 5).
Auburn 39 km SW 119m alt. 45 minutes ago	19° C	Dry	Calm (0 kph at 192).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	9° C	Clear	Calm (0 kph at 0).	16 km
SHIP5710 42 km WSW 15m alt. 2 hours ago				- 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.