– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Sat 13 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 13 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 14°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 22°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.
	Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	some clouds	rain shwrs	some clouds	some clouds	clear	clear	clear	some clouds	some clouds
km/h	NW	NW	ESE	NW	NW	E	WNW	WNW	SSW	SW	WNW	NNW	NW	NW	NE	NW	NW	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—
max °C	22	24	21	25	27	23	25	27	22	16	19	15	14	20	17	19	22	19
min °C	18	24	17	21	27	19	22	26	14	16	17	9	11	18	12	16	22	13
chill °C	18	24	17	21	27	19	22	26	14	16	17	9	11	18	12	16	22	13

Freezing level m	3450	3800	3750	4050	4300	4600	4550	4450	4150	4100	4000	4050	3900	4100	4350	4400	4450	4300
Cloud base (m)	9500	9150	8700	9200	9450	9500	6000	4550		850	750	1750	500			7150	6850

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:04	—	—	9:05	—	—	9:05	—	—	9:06	—	—	9:06	—	—	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 14°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Thu afternoon, min 9°C on Tue 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. 39 minutes ago	23° C	Dry	Calm (0 kph at 324).
Snoqualmie Pass 30 km ESE 824m alt. 57 minutes ago	22° C	-	Calm (0 kph at 284).
Renton 30 km WSW 160m alt. 40 minutes ago	23° C	Dry	Light winds from the NE (6 kph at 51).
Black Diamond 32 km SSW 192m alt. 47 minutes ago		-	Wind obs. (10 kph from 251 degs) was rejected.
Grotto wx 35 km NE 321m alt. 2 hours ago	13° C	Dry	Calm (5 kph at 85).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Clear	Light winds from the NNW (11 kph at 340).	16 km
Grotto wx 39 km NE 1101m alt. 2 hours ago	20° C	Dry	Calm (3 kph at 225).
Auburn 39 km SW 119m alt. 59 minutes ago		-	Calm (5 kph at 18).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	16° C	-	Calm (0 kph at 0).	16 km
SHIP4222 43 km W 15m alt. 3 hours ago			Calm (4 kph at 280).	17.7 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.