– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 pm Tue 23 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 23 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 6mm), mostly falling on Fri morning. Warm (max 28°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.											Days 5–7 Weather Summary Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 13°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.
	Tue 23		Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	clear	some clouds	some clouds	cloudy	light rain	light rain	light rain	rain shwrs	rain shwrs	light rain	light rain	light rain	light rain	light rain
km/h	NW	E	WNW	WSW	S	SW	WSW	SW	SW	SW	SW	W	NW	SW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	1.6	4	4	6	0.7	0.4	1.7	0.8	0.3	0.1
max °C	28	23	23	26	20	15	17	14	11	12	11	10	13	12	10	11	11
min °C	27	18	20	25	12	13	17	10	11	12	7	8	12	9	9	10	10
chill °C	27	18	20	25	11	12	17	9	9	10	7	8	12	8	8	10	10

Freezing level m	3750	3650	3500	3350	3500	3350	2900	2800	2250	2250	1750	1950	2350	2350	2550	3200	3500
Cloud base (m)	6900	9300	7050			6100		400	400	700	1600	850	1600	550	400	400	400

	—	—	5:09	—	—	5:09	—	—	5:11	—	—	5:11	—	—	5:11	—	—
	—	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: Light rain (total 6mm), mostly falling on Fri morning. Warm (max 28°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 13°C on Sat afternoon, min 7°C on Fri 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. 2 hours ago	26° C	Dry	Calm (0 kph at 329).
Snoqualmie Pass 30 km ESE 824m alt. 57 minutes ago	25° C	-	Calm (0 kph at 206).
Renton 30 km WSW 160m alt. 54 minutes ago	32° C	Dry	Calm (2 kph at 328).
Grotto wx 35 km NE 321m alt. 1 hour ago	30° C	Dry	Light winds from the WSW (10 kph at 256).
Renton Airport 36 km WSW 218m alt. 2 hours ago	31° C	Clear	Light winds from the NNW (13 kph at 330).	16 km
Grotto wx 39 km NE 1101m alt. 2 hours ago	21° C	Dry	Calm (2 kph at 14).
Auburn 39 km SW 119m alt. 2 hours ago	29° C	Dry	Calm (0 kph at 55).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	23° C	-	Calm (0 kph at 0).	16 km Low: few
Woodinville 43 km WNW 137.2m alt. 1 hour ago	28° C	Dry	Calm (2 kph at 150).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	29° C	Clear	Light winds from the N (7 kph at 1).	16 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.