– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Tue 16 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 16 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 23°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 25°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light.
	Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	rain shwrs	clear	some clouds	clear	clear	clear	clear	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear
km/h	WSW	WNW	ENE	NW	NW	NE	NNW	NW	ESE	W	WNW	SSE	W	WNW	NE	WNW	NW	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	0.3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	17	18	16	14	19	17	20	23	20	21	25	22	17	22	20	19	24	21
min °C	16	16	9	11	18	12	16	23	18	19	24	13	15	20	13	16	22	16
chill °C	16	16	9	11	18	12	16	23	18	19	24	13	15	20	13	16	22	16

Freezing level m	4050	3850	3950	3700	3850	4200	4250	4300	4300	4200	4200	4000	4000	4000	4000	3800	3950	3900
Cloud base (m)	950	700		600			9600		5900	5100	6100					9150

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:06	—	—	9:06	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 23°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 25°C on Fri afternoon, min 13°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. 56 minutes ago	16° C	Dry	Calm (2 kph at 250).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	13° C	-	Calm (0 kph at 159).
Renton 30 km WSW 160m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 31).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (0 kph at 0).
Grotto wx 35 km NE 321m alt. 46 minutes ago	14° C	Dry	Calm (0 kph at 122).
Renton Airport 36 km WSW 218m alt. 3 hours ago	16° C	Clear	Calm (0 kph at 0).	16 km
Grotto wx 39 km NE 1101m alt. 43 minutes ago	11° C	Dry	Calm (2 kph at 306).
Auburn 39 km SW 119m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 178).
Stampede Pass Airport 40 km SE 628m alt. 3 hours ago	12° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Woodinville 43 km WNW 137.2m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 186).

* 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.