– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Mon 06 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 06 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 17°C on Mon morning, min 2°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 16°C on Fri afternoon, min 5°C on Sat night). Wind will be generally light.
	Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	light rain	rain shwrs
km/h	WSW	W	WSW	WSW	NW	E	WNW	NW	ENE	W	NW	ESE	SSW	NW	SE	NW	NW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	0.1	0.1	0.1	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.2
max °C	17	17	11	3	8	6	8	10	7	11	13	10	14	16	13	13	14	11
min °C	13	16	2	2	7	3	5	10	4	7	13	8	10	16	10	11	14	5
chill °C	13	16	-1	0	6	3	5	9	3	6	13	7	10	16	10	11	14	3

Freezing level m	2850	2700	1300	900	1400	1300	1600	1900	2000	2250	2400	2550	2650	2750	2600	2450	2450	2000
Cloud base (m)	8200	5550	500	450	600			1500								2600	2250	700

	6:35	—	—	6:33	—	—	6:31	—	—	6:30	—	—	6:28	—	—	6:26	—	—
	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:49	—	—	7:50	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 17°C on Mon morning, min 2°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Fri afternoon, min 5°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. 56 minutes ago	6° C	Dry	Calm (0 kph at 337).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	-1° C	-	Calm (0 kph at 181).
Renton 30 km WSW 160m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 68).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Wind obs. (8 kph from 360 degs) was rejected.
Grotto wx 35 km NE 321m alt. 2 hours ago	8° C	Dry	Calm (5 kph at 65).
Renton Airport 36 km WSW 218m alt. 3 hours ago	8° C	Clear	Light winds from the ESE (6 kph at 120).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 343).
Auburn 39 km SW 119m alt. 47 minutes ago	8° C	Dry	Calm (0 kph at 200).
Stampede Pass Airport 40 km SE 628m alt. 3 hours ago	10° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 1 hour ago	1° C	-	Calm (0 kph at 357).

* 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.