– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 pm Fri 26 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 26 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 14mm), heaviest on Fri afternoon. Very mild (max 13°C on Fri afternoon, min 7°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light.
	Fri 26		Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	light rain	light rain	rain shwrs	light rain	light rain	light rain	light rain	light rain	light rain	some clouds	light rain	light rain	light rain	light rain	rain shwrs
km/h	SW	SW	WSW	NW	W	WSW	WSW	WNW	W	WSW	W	WSW	WSW	SW	SW	SW	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	4	4	1.3	1.4	0.6	0.1	0.3	1.1	0.2	0.2	0.1	—	0.3	0.5	0.1	0.2	0.4
max °C	13	12	10	13	13	10	12	11	10	12	12	11	13	12	10	12	12
min °C	13	7	8	11	10	10	11	9	10	11	10	10	12	9	9	10	8
chill °C	12	6	6	11	10	10	10	9	10	11	10	10	12	8	8	9	8

Freezing level m	2500	2000	1850	2250	2500	2950	2550	3350	3500	3250	3150	2900	2800	2400	2150	2400	2500
Cloud base (m)	550	1600	750	800	1750	600	650	400	500	650	700	650	800	650	650	650	1750

	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:13	—	—
	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 14mm), heaviest on Fri afternoon. Very mild (max 13°C on Fri afternoon, min 7°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Tue afternoon, min 8°C on Wed 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. 34 minutes ago	15° C	Dry	Calm (0 kph at 310).
Snoqualmie Pass 30 km ESE 824m alt. 29 minutes ago	11° C	-	Calm (0 kph at 102).
Renton 30 km WSW 160m alt. 1 hour ago	16° C	Dry	Light winds from the SW (6 kph at 219).
Grotto wx 35 km NE 321m alt. 34 minutes ago	13° C	Dry	Calm (0 kph at 47).
Renton Airport 36 km WSW 218m alt. 2 hours ago	18° C	Light rain .	Moderate winds from the SSW (20 kph at 200).	16 km Low: broken
Grotto wx 39 km NE 1101m alt. 26 minutes ago	8° C	Dry	Calm (0 kph at 99).
Auburn 39 km SW 119m alt. 30 minutes ago	19° C	Dry	Calm (0 kph at 92).
Stampede Pass Airport 40 km SE 628m alt. 56 minutes ago	7° C	Light rain .	Wind obs. (6 kph from 250 degs) was rejected.	2 km Mid: scattered High: broken
Woodinville 43 km WNW 137.2m alt. 2 hours ago	13° C	Dry	Calm (5 kph at 326).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	17° C	Dry and partly cloudy.	Light winds from the SW (13 kph at 230).	16 km Low: scattered Mid: broken

* 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.