– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 pm Tue 02 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 02 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 5mm), mostly falling on Fri afternoon. Warm (max 21°C on Tue night, min 6°C on Thu night). Wind will be generally light.										Days 5–7 Weather Summary Moderate rain (total 20mm), heaviest on Sat afternoon. Very mild (max 12°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.
		Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light rain	light rain	rain shwrs	rain shwrs	clear	some clouds	light rain	light rain	mod. rain	light rain	risk tstorm	rain shwrs	rain shwrs	rain shwrs	some clouds	light rain	rain shwrs	rain shwrs
km/h	SE	SW	WSW	SW	WSW	WNW	S	WSW	SW	WSW	WSW	SW	WSW	WSW	WSW	SE	ESE	ESE	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	1.1	0.4	0.6	0.1	—	—	0.4	2	6	3	4	3	0.6	0.4	—	1.1	1.2	6
max °C	21	14	15	12	10	16	14	8	8	8	7	9	8	8	12	11	10	11	12
min °C	15	12	13	8	8	13	6	8	7	6	6	8	6	6	11	9	9	9	9
chill °C	15	12	13	7	7	13	5	7	5	4	4	7	6	5	10	8	8	8	9

Freezing level m	3300	2550	2400	2200	2050	2850	2050	1550	1700	1500	1350	1600	1600	1500	2050	2550	2050	2250	2200
Cloud base (m)	7150	1950	850	550	850	900		1600	450	400	500	650	700	500	900	6550	1600	400	2100

	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:09	—	—	5:09	—	—
	—	—	—	8:57	—	—	8:58	—	—	8:59	—	—	9:00	—	—	9:00	—	—	9:00

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 5mm), mostly falling on Fri afternoon. Warm (max 21°C on Tue night, min 6°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 20mm), heaviest on Sat afternoon. Very mild (max 12°C on Sun afternoon, min 6°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	14° C	Dry	Calm (0 kph at 81).
Snoqualmie Pass 30 km ESE 824m alt. 41 minutes ago	9° C	-	Calm (0 kph at 66).
Renton 30 km WSW 160m alt. 2 hours ago	19° C	Dry	Calm (2 kph at 219).
Grotto wx 35 km NE 321m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 44).
Renton Airport 36 km WSW 218m alt. 2 hours ago	21° C	Clear	Light winds from the S (11 kph at 190).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 345).
Auburn 39 km SW 119m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 261).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	13° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 133).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	20° C	Clear	Light winds from the S (15 kph at 170).	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.