– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Tue 07 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 07 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.
	Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	light rain	rain shwrs	some clouds	clear	clear	clear	some clouds	rain shwrs	rain shwrs	some clouds	some clouds	clear	clear	clear	clear
km/h	W	W	NW	WNW	W	WNW	WNW	WNW	S	SW	W	SW	WSW	SW	SSE	WNW	WNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.2	0.2	—	—	—	—	—	0.2	0.7	—	—	—	—	—	—
max °C	20	23	19	14	15	16	15	20	18	14	17	15	14	18	16	17	22	18
min °C	17	22	12	13	15	11	12	18	10	13	15	11	12	18	8	13	20	14
chill °C	17	22	12	13	15	11	12	18	10	13	15	11	12	18	8	13	20	14

Freezing level m	3850	4000	3800	3750	3850	3700	3500	3400	3750	3650	3550	3550	3450	3200	3350	3800	3950	4050
Cloud base (m)	9100	7000	8200	450	650	600	850	3300		800	900	800	500	1550

	5:16	—	—	5:18	—	—	5:18	—	—	5:20	—	—	5:20	—	—	5:20	—	—
	—	—	9:05	—	—	9:05	—	—	9:04	—	—	9:02	—	—	9:02	—	—	9:01

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Sat 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	14° C	Dry	Calm (0 kph at 287).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	10° C	-	Calm (0 kph at 137).
Renton 30 km WSW 160m alt. 3 hours ago	14° C	Dry	Calm (0 kph at 221).
Grotto wx 35 km NE 321m alt. 3 hours ago	13° C	Dry	Calm (0 kph at 280).
Renton Airport 36 km WSW 218m alt. 2 hours ago	15° C	Clear	Light winds from the S (9 kph at 190).	16 km
Grotto wx 39 km NE 1101m alt. 3 hours ago	10° C	Dry	Calm (0 kph at 352).
Auburn 39 km SW 119m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 219).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	12° C	Clear	Light winds from the WSW (6 kph at 250).	16 km
SHIP4131 43 km W 15m alt. 1 hour ago				- km
Woodinville 43 km WNW 137.2m alt. 3 hours ago	10° C	Dry	Calm (2 kph at 281).

* 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.