– Lat/Long: 47.51° N 121.74° W

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

Issued: 10 am Sun 14 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 27°C on Sun afternoon, min 9°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light.
	Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	4000	4250	4500	4450	4500	4200	4150	3850	3950	3900	4100	4450	4300	4350	4300	4150	4200	4100
Cloud base (m)	9250			6150	5300		800	800					6600	5900	5500	5000	9550	6050

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

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 27°C on Sun 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. 1 hour ago	31° C	Dry	Calm (0 kph at 334).
Snoqualmie Pass 30 km ESE 824m alt. 39 minutes ago	29° C	-	Calm (0 kph at 297).
Renton 30 km WSW 160m alt. 2 hours ago	28° C	Dry	Calm (5 kph at 49).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (3 kph at 233).
Grotto wx 35 km NE 321m alt. 2 hours ago	29° C	Dry	Light winds from the WSW (10 kph at 255).
Renton Airport 36 km WSW 218m alt. 2 hours ago	29° C	Clear	Light winds from the NNW (19 kph at 330).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	26° C	Dry	Calm (3 kph at 111).
Auburn 39 km SW 119m alt. 40 minutes ago	30° C	Dry	Calm (5 kph at 271).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	22° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
Woodinville 43 km WNW 137.2m alt. 1 hour ago	27° C	Dry	Calm (2 kph at 37).

* 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.