– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Sun 14 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sun 14 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light.
		Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	cloudy	rain shwrs	clear	clear	clear	clear	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear	some clouds
km/h	E	WNW	W	SSW	WSW	NW	ENE	NW	NNW	E	NW	NW	ESE	WNW	NW	WSW	WSW	WSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	24	25	27	22	15	18	15	15	20	18	21	23	20	21	24	22	16	19	17
min °C	19	22	27	13	14	16	9	12	19	13	17	23	16	18	23	11	14	18	9
chill °C	19	22	27	12	13	16	9	12	19	13	17	23	16	18	23	11	14	18	8

Freezing level m	4450	4500	4550	4200	4050	3850	3950	3700	4050	4400	4400	4400	4350	4200	4200	4050	3900	3750	3500
Cloud base (m)	9550	6000	5000		800	800		750			7250	6500	5650		6450				650

	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	—	9:05	—	—	9:06	—	—	9:06	—	—	9:07	—	—	9:07	—	—	9:07

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 27°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Fri afternoon, min 11°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. 58 minutes ago	16° C	Dry	Calm (0 kph at 245).
Snoqualmie Pass 30 km ESE 824m alt. 55 minutes ago	11° C	-	Calm (0 kph at 33).
Renton 30 km WSW 160m alt. 1 hour ago	17° C	Dry	Calm (2 kph at 41).
Black Diamond 32 km SSW 192m alt. 31 minutes ago		-	Calm (3 kph at 0).
Grotto wx 35 km NE 321m alt. 1 hour ago	17° C	Dry	Calm (5 kph at 71).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Clear	Calm (0 kph at 0).	16 km
Grotto wx 39 km NE 1101m alt. 20 minutes ago	12° C	Dry	Calm (0 kph at 352).
Auburn 39 km SW 119m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 194).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	19° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 229).

* 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.