– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 pm Thu 27 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 27 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 12mm), heaviest on Thu night. Mild temperatures (max 9°C on Fri morning, min 2°C on Sat night). Wind will be generally light.										Days 5–7 Weather Summary Moderate rain (total 14mm), heaviest on Mon night. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun night). Wind will be generally light.
		Friday 28			Saturday 29			Sunday 30			Monday 1			Tuesday 2			Wednesday 3
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	clear	some clouds	cloudy	cloudy	rain shwrs	some clouds	some clouds	clear	some clouds	some clouds	cloudy	light rain	light rain	light rain	light rain	light rain	rain shwrs	some clouds
km/h	E	ESE	WNW	ESE	SE	SSE	ENE	SSE	NW	NE	NW	W	SSW	WNW	W	SW	WSW	NE	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	11	—	—	—	—	1.3	—	—	—	—	—	—	4	1.7	0.9	5	2	0.1	—
max°C	6	9	7	6	7	5	3	6	4	4	7	5	5	5	5	5	5	5	5
min°C	6	7	6	4	6	4	2	4	3	3	5	5	5	5	5	4	4	5	4
chill°C	4	7	5	3	5	4	1	4	3	3	5	5	5	5	5	2	4	5	4

Freezing level (m)	1650	1900	2150	2400	1900	1100	1050	1250	1400	1700	3150	2050	1550	1400	1350	1200	1200	1200	1500
Cloud base (m)	400	600	700	6450	450	2050	550	500	650		2350	2050	900	450	450	450	450	450	800

	—	7:30	—	—	7:31	—	—	7:31	—	—	7:33	—	—	7:35	—	—	7:35	—	—
	—	—	4:19	—	—	4:17	—	—	4:17	—	—	4:16	—	—	4:16	—	—	4:16	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 12mm), heaviest on Thu night. Mild temperatures (max 9°C on Fri morning, min 2°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 14mm), heaviest on Mon night. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 54 minutes ago	6° C	Dry	Calm (0 kph at 174).
Black Diamond 32 km SSW 192m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 1 hour ago	9° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Auburn 39 km SW 119m alt. 29 minutes ago	-1° C	-	Calm (0 kph at 55).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-1° C	Moderate snow.	Calm (0 kph at 0).	1 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	9° C	Light rain .	Light winds from the N (6 kph at 1).	16 km Low: few Mid: broken High: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 1 hour ago	8° C	Dry and cloudy.	Light winds from the NNE (19 kph at 20).	14 km Low: broken Mid: overcast
SHIP2541 48 km SW 15m alt. 2 hours ago				- km
Snohomish 49 km NW 196m alt. 1 hour ago	9° C	Dry	Light winds from the NE (16 kph at 55).
Seattle 49 km WSW 100m alt. 2 hours ago	9° C	-

* 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.