– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Thu 03 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 03 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 13°C on Fri afternoon, min 8°C on Thu night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Very mild (max 18°C on Tue afternoon, min 11°C on Wed morning). Wind will be generally light.
		Friday 4			Saturday 5			Sunday 6			Monday 7			Tuesday 8			Wednesday 9
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	light rain	light rain
km/h	NNW	NW	WNW	WNW	NW	NW	N	NNW	NNW	N	N	NW	N	N	NW	WNW	SW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.2	1.1
max°C	10	9	13	12	9	13	12	11	13	14	14	17	17	16	18	18	11	11	11
min°C	8	9	11	8	8	11	9	9	13	12	13	16	14	15	17	13	11	11	8
chill°C	6	7	10	7	7	10	7	7	12	11	12	16	13	14	17	13	10	9	6

Freezing level (m)	3700	3550	3450	3550	3550	3650	3700	3700	3950	4200	4250	4350	4450	4350	4450	4200	3900	3950	4150
Cloud base (m)		6250			800	6950	7700	9050	8500								450	600	500

	—	5:15	—	—	5:16	—	—	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—
	—	—	—	9:06	—	—	9:06	—	—	9:06	—	—	9:05	—	—	9:05	—	—	9:04

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 13°C on Fri afternoon, min 8°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Very mild (max 18°C on Tue afternoon, min 11°C on Wed morning). Wind will be generally light.

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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. 2 hours ago	11° C	Dry	Calm (0 kph at 217).
Auburn 39 km SW 119m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 121).
Stampede Pass Airport 40 km SE 628m alt. 3 hours ago	8° C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	17° C	Clear	Light winds from the N (7 kph at 1).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 3 hours ago	17° C	-	Light winds from the NNE (17 kph at 30).	16 km Low: few
Seattle 49 km WSW 100m alt. 53 minutes ago		-
BUOY-WPOW1 55 km W 3m alt. 2 hours ago	14° C		Light winds from the NE (8 kph at 40).
Puyallup 57 km SSW 160m alt. 2 hours ago	15° C	Dry	Calm (0 kph at 192).
BUOY-TCNW1 57 km SW 3m alt. 2 hours ago
BUOY-TCMW1 57 km SW 3m alt. 2 hours ago	15° C		Light winds from the NNW (11 kph at 340).

* 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.