– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 pm Thu 05 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 05 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 20mm), heaviest on Sat morning. Very mild (max 14°C on Fri morning, min 4°C on Sun afternoon). Wind will be generally light.										Days 5–7 Weather Summary Light rain (total 10mm), mostly falling on Sun night. Mild temperatures (max 8°C on Tue morning, min 2°C on Mon night). Wind will be generally light.
		Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	some clouds	mod. rain	mod. rain	light rain	light rain	light rain	mod. rain	light rain	rain shwrs	some clouds	cloudy	cloudy	some clouds	clear	clear	clear
km/h	SE	SSW	WSW	S	S	SSW	WSW	NW	WNW	SW	WSW	SW	ESE	ESE	ESE	ESE	WSW	W	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	8	8	2	0.1	2	5	3	0.9	—	—	—	—	—	—	—
max °C	10	14	13	9	8	8	7	6	5	3	5	5	2	8	7	3	7	7	2
min °C	10	13	9	9	8	8	5	6	4	3	4	3	2	6	4	2	5	3	2
chill °C	10	13	8	8	6	5	5	6	4	1	1	2	0	4	2	2	5	3	2

Freezing level m	3100	2800	2650	2300	1900	2050	1350	1600	1200	950	1100	1100	1500	1750	1700	1550	1350	1400	1100
Cloud base (m)	6650	8200	6300	3050	1700	450	600	650	900	700	450	500	600	5350	5000	450	4750	950	800

	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:18	—	—
	—	—	5:15	—	—	5:17	—	—	5:19	—	—	5:21	—	—	5:22	—	—	5:23	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 20mm), heaviest on Sat morning. Very mild (max 14°C on Fri morning, min 4°C on Sun afternoon). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 10mm), mostly falling on Sun night. Mild temperatures (max 8°C on Tue morning, min 2°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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 328).
Black Diamond 32 km SSW 192m alt. 45 minutes ago	13° C	Dry	Calm (2 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	6° C	Clear	Light winds from the SE (7 kph at 130).	16 km
Auburn 39 km SW 119m alt. 55 minutes ago		-	Calm (0 kph at 128).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	0° C	Moderate rain .	Calm (0 kph at 0).	1 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	6° C	Clear	Calm (0 kph at 0).	11 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	8° C	-	Light winds from the ESE (9 kph at 120).	16 km Low: few
Snohomish 49 km NW 196m alt. 31 minutes ago	0° C	-	Calm (0 kph at 189).
SHIP6582 54 km W 15m alt. 3 hours ago			Calm (4 kph at 170).	- km
SHIP4661 54 km W 3m alt. 3 hours ago	7° C		Calm (4 kph at 170).

* 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.