– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Wed 01 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 01 Jul 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 13°C on Fri afternoon, min 5°C on Wed morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 15°C on Sun afternoon, min 9°C on Sat morning). Wind will be generally light.
	Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	rain shwrs	cloudy	cloudy	light rain	light rain	rain shwrs	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds
km/h	WNW	WNW	WNW	WNW	W	WSW	SW	W	WSW	SW	W	NNW	N	WNW	SW	SW	W	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	—	—	0.1	0.1	0.2	—	—	—	—	—	—	—	—	—	—
max °C	6	8	7	7	9	9	9	13	12	9	13	12	12	15	15	13	15	14
min °C	5	8	6	6	9	9	9	11	8	9	12	9	10	13	12	13	14	11
chill °C	3	6	4	5	9	8	7	11	6	8	11	9	9	13	12	13	14	10

Freezing level m	2900	3000	3350	3250	3100	3100	3600	3700	3700	3450	3650	4000	3900	4100	4150	4050	4100	4050
Cloud base (m)	1850	1850	700	600	900	600	450	9300	700		2150					9150	8500	6550

	5:13	—	—	5:13	—	—	5:13	—	—	5:15	—	—	5:16	—	—	5:16	—	—
	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:06	—	—	9:06	—	—	9:06

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 13°C on Fri afternoon, min 5°C on Wed morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Very mild (max 15°C on Sun afternoon, min 9°C on Sat morning). Wind will be generally light.

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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
North Bend 3 km SW 134m alt. 1 hour ago	20° C	Dry	Calm (2 kph at 139).
Harman Heights wx 6 km SSW 251m alt. 50 minutes ago	18° C	Dry	Calm (0 kph at 117).
Snoqualmie Pass 30 km ESE 824m alt. 52 minutes ago	17° C	-	Calm (0 kph at 220).
Renton 30 km WSW 160m alt. 50 minutes ago	18° C	Dry	Calm (5 kph at 206).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Dry and partly cloudy.	Light winds from the SSW (19 kph at 200).	16 km Low: scattered
Grotto wx 39 km NE 1101m alt. 3 hours ago	13° C	Dry	Calm (5 kph at 104).
Auburn 39 km SW 119m alt. 2 hours ago		-	Calm (3 kph at 205).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	11° C	-	Light winds from the W.(Wind varies from 190 to 340 degs) (13 kph at 280).	16 km Low: few
Woodinville 43 km WNW 137.2m alt. 2 hours ago	18° C	Dry	Wind obs. (14 kph from 240 degs) was rejected.
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	18° C	Dry and partly cloudy.	Light winds from the N (11 kph at 1).	16 km Low: broken

* 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.