– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 am Thu 22 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 22 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 7°C on Thu morning, min 1°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sun morning, min 3°C on Sun afternoon). Wind will be generally light.
	Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	rain shwrs	clear	clear	clear
km/h	ESE	WNW	ESE	ESE	ESE	E	ESE	WSW	ESE	SSE	SSW	S	SSW	WSW	S	SSW	WNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	—	—	—
max °C	7	5	2	7	5	2	7	6	3	9	6	3	9	7	5	9	8	5
min °C	5	2	1	4	2	1	6	3	2	6	3	3	7	4	4	6	5	4
chill °C	5	2	-1	3	0	-1	6	3	1	5	1	1	6	4	4	6	4	2

Freezing level m	2100	1650	1100	1550	1450	1650	2000	1950	2100	2000	1850	1750	1550	1600	1350	1400	1750	2150
Cloud base (m)	5700	3350	4300					8650		7100	6600	5650	6550	5850	550	1000

	7:43	—	—	7:43	—	—	7:41	—	—	7:41	—	—	7:39	—	—	7:39	—	—
	—	4:52	—	—	4:53	—	—	4:55	—	—	4:57	—	—	4:59	—	—	5:00	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Mild temperatures (max 7°C on Thu morning, min 1°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Sun morning, min 3°C on Sun afternoon). 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. 44 minutes ago	4° C	Dry	Calm (0 kph at 347).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Calm (2 kph at 100).
Renton Airport 36 km WSW 218m alt. 2 hours ago	2° C	Clear	Wind obs. (6 kph from 110 degs) was rejected.	11 km
Auburn 39 km SW 119m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 182).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-8° C	Dry and cloudy.	Calm (0 kph at 0).	0.0 km High: overcast
SHIP8577 43 km W 3m alt. 2 hours ago
SHIP7858 43 km W 3m alt. 3 hours ago
SHIP8873 43 km W 15m alt. 3 hours ago				- km
SHIP8394 43 km W 3m alt. 3 hours ago
SHIP6988 43 km W 15m alt. 2 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.