– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Sun 05 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 05 Jul 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 25°C on Mon afternoon, min 12°C on Sun morning). Wind will be generally light.									Days 4–6 Weather Summary Some drizzle, heaviest during Wed afternoon. Warm (max 20°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light.
	Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10
	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	rain shwrs	light rain	rain shwrs	rain shwrs	clear	clear	some clouds	some clouds	some clouds	clear
km/h	NW	NW	E	W	WNW	SSE	WSW	W	SW	SW	SW	SW	WSW	WNW	ESE	WSW	W	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.2	0.6	0.8	0.2	—	—	—	—	—	—
max °C	17	21	18	22	25	22	19	23	16	13	17	16	14	19	17	17	20	17
min °C	12	20	15	18	24	14	16	22	12	13	15	8	10	17	11	14	19	11
chill °C	12	20	15	18	24	14	16	22	12	13	15	7	10	17	11	14	19	11

Freezing level m	3800	4050	4050	4050	4100	4000	3850	3850	3150	3450	3500	3350	3200	3350	3700	3400	3400	3750
Cloud base (m)							6850	7200	800	450	700	500	3050			7000	2000	1700

	5:16	—	—	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—	5:20	—	—
	—	—	9:06	—	—	9:06	—	—	9:05	—	—	9:05	—	—	9:04	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 25°C on Mon afternoon, min 12°C on Sun morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Wed afternoon. Warm (max 20°C on Fri afternoon, min 8°C on Wed 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
North Bend 3 km SW 134m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 206).
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	24° C	Dry	Calm (0 kph at 318).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	23° C	-	Calm (0 kph at 271).
Renton 30 km WSW 160m alt. 45 minutes ago	21° C	Dry	Calm (3 kph at 335).
Renton Airport 36 km WSW 218m alt. 3 hours ago	19° C	Clear	Moderate winds from the NNW (20 kph at 330).	16 km
Grotto wx 39 km NE 1101m alt. 49 minutes ago	19° C	Dry	Calm (2 kph at 134).
Auburn 39 km SW 119m alt. 2 hours ago		-	Calm (3 kph at 204).
Stampede Pass Airport 40 km SE 628m alt. 3 hours ago	16° C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	16 km
SHIP2476 43 km W 15m alt. 3 hours ago				- km
SHIP5937 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.