– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Fri 07 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 07 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 8mm), mostly falling on Mon morning. Very mild (max 17°C on Sun morning, min 4°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 10mm), mostly falling on Thu morning. Very mild (max 14°C on Wed morning, min 6°C on Mon night). Wind will be generally light.
	Fri 7		Saturday 8			Sunday 9			Monday 10			Tuesday 11			Wednesday 12
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	clear	clear	some clouds	some clouds	some clouds	rain shwrs	mod. rain	light rain	rain shwrs	some clouds	some clouds	some clouds	some clouds	cloudy	light rain
km/h	SW	ESE	ESE	ESE	ESE	SE	SE	S	SW	WSW	WSW	NNW	NNW	SE	SE	SSE	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.5	—	—	—	—	—	—	0.1	7	1.4	2	—	—	—	—	—	0.1
max°C	7	5	13	11	10	17	13	12	11	10	9	9	9	9	14	13	13
min°C	5	4	9	9	9	13	11	11	10	9	6	8	8	8	12	11	11
chill°C	5	3	8	8	7	12	10	10	8	8	6	8	8	7	12	10	10

Freezing level (m)	1400	1650	3150	3400	3700	3850	3800	3600	2950	2700	2400	2650	3250	2950	3200	3100	2900
Cloud base (m)	550	1000	5650		7800	9250		5750	900	500	450	700	650	5150	5200	4150	3750

	—	—	7:01	—	—	7:03	—	—	7:03	—	—	7:05	—	—	7:07	—	—
	4:39	—	—	4:38	—	—	4:37	—	—	4:36	—	—	4:35	—	—	4:34	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 8mm), mostly falling on Mon morning. Very mild (max 17°C on Sun morning, min 4°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 10mm), mostly falling on Thu morning. Very mild (max 14°C on Wed morning, min 6°C on Mon 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. 1 hour ago	6° C	Dry	Calm (0 kph at 206).
Black Diamond 32 km SSW 192m alt. 48 minutes ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the SE (7 kph at 140).	16 km Low: scattered Mid: overcast
Auburn 39 km SW 119m alt. 54 minutes ago	4° C	Dry	Calm (0 kph at 147).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	0° C	Clear	Calm (0 kph at 0).	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	10° C	Dry and cloudy.	Light winds from the SSE (11 kph at 150).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the ESE (15 kph at 120).	16 km Low: few Mid: overcast
SHIP10485 48 km SW 15m alt. 3 hours ago				- km
SHIP5625 48 km SW 15m alt. 3 hours ago				- km
SHIP3262 48 km SW 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.