– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Thu 02 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 02 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Thu night. Warm (max 21°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Some drizzle, heaviest during Tue night. Warm (max 24°C on Mon afternoon, min 12°C on Sun morning). Wind will be generally light.
	Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	cloudy	light rain	rain shwrs	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs
km/h	W	WSW	SW	WSW	W	SSW	WSW	WSW	SE	NW	NW	E	W	WNW	S	WSW	W	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.2	—	2	0.7	0.2	—	—	—	—	—	—	—	—	—	—	—	—	1.3
max °C	14	16	13	15	20	17	17	21	17	16	21	18	20	24	21	18	21	16
min °C	11	16	13	13	19	11	13	19	10	12	19	13	17	23	12	15	20	13
chill °C	11	16	12	13	19	11	13	19	10	12	19	13	17	23	12	15	20	13

Freezing level m	3250	3100	3100	3650	3700	3550	3500	3600	3750	3750	4050	4150	4000	4200	4100	3900	3950	3550
Cloud base (m)	600	1700	400	450	900	450						7000					2000	1600

	5:13	—	—	5:13	—	—	5:15	—	—	5:16	—	—	5:16	—	—	5:16	—	—
	—	—	9:07	—	—	9:07	—	—	9:06	—	—	9:06	—	—	9:06	—	—	9:05

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 4mm), mostly falling on Thu night. Warm (max 21°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Tue night. Warm (max 24°C on Mon afternoon, min 12°C on Sun morning). 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
North Bend 3 km SW 134m alt. 55 minutes ago	22° C	Dry	Calm (0 kph at 204).
Harman Heights wx 6 km SSW 251m alt. 28 minutes ago	16° C	Dry	Calm (0 kph at 324).
Snoqualmie Pass 30 km ESE 824m alt. 2 hours ago	19° C	-	Calm (0 kph at 208).
Renton 30 km WSW 160m alt. 1 hour ago	17° C	Dry	Calm (3 kph at 240).
Grotto wx 35 km NE 321m alt. 2 hours ago	21° C	Dry	Light winds from the W (19 kph at 273).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Clear	Light winds from the S (13 kph at 170).	16 km
Grotto wx 39 km NE 1101m alt. 35 minutes ago	15° C	Dry	Calm (5 kph at 215).
Auburn 39 km SW 119m alt. 51 minutes ago		-	Calm (5 kph at 207).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	16° C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	16 km
SHIP1679 43 km W 15m alt. 3 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.