– Lat/Long: 47.51° N 121.74° W

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

Issued: 10 am Tue 02 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 2mm), mostly falling on Wed morning. Warm (max 25°C on Tue afternoon, min 7°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 20mm), heaviest during Fri afternoon. Very mild (max 12°C on Sun afternoon, min 4°C on Fri night). Wind will be generally light.
	Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	rain shwrs	light rain	light rain	light rain	rain shwrs	rain shwrs	some clouds	light rain	light rain	rain shwrs	rain shwrs	rain shwrs	light rain	light rain	rain shwrs	some clouds
km/h	SSW	W	SSE	WSW	WSW	SW	WSW	W	S	SW	SW	SSW	SW	W	NW	SSW	WNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.2	1.3	0.1	0.4	0.4	0.1	—	0.1	5	4	1.2	5	4	0.7	0.7	—
max °C	22	25	22	13	14	11	9	15	14	9	7	7	7	9	8	7	12	12
min °C	18	24	14	12	13	9	8	13	7	9	7	4	6	9	5	6	10	9
chill °C	18	24	14	12	13	7	7	13	6	8	4	3	4	8	4	4	9	8

Freezing level m	3200	3400	3200	2600	2400	2100	2550	3050	2350	1700	1600	1350	1400	1700	1450	1450	2200	2800
Cloud base (m)		3050	6900	1650	1650	450	500	900	3400	2100	450	750	600	750	700	400	850	5400

	5:13	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:09	—	—
	—	—	8:57	—	—	8:57	—	—	8:58	—	—	8:59	—	—	9:00	—	—	9:00

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 2mm), mostly falling on Wed morning. Warm (max 25°C on Tue afternoon, min 7°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 20mm), heaviest during Fri afternoon. Very mild (max 12°C on Sun afternoon, min 4°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. 47 minutes ago	29° C	Dry	Calm (0 kph at 295).
Snoqualmie Pass 30 km ESE 824m alt. 48 minutes ago	26° C	-	Calm (0 kph at 272).
Renton 30 km WSW 160m alt. 2 hours ago	29° C	Dry	Calm (2 kph at 232).
Grotto wx 35 km NE 321m alt. 1 hour ago	29° C	Dry	Light winds from the SSW (8 kph at 199).
Renton Airport 36 km WSW 218m alt. 2 hours ago	27° C	Clear	Light winds from the N (11 kph at 350).	16 km
Grotto wx 39 km NE 1101m alt. 58 minutes ago	23° C	Dry	Calm (3 kph at 144).
Auburn 39 km SW 119m alt. 1 hour ago	36° C	Dry	Calm (0 kph at 257).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	21° C	Clear	Light winds from the NE (7 kph at 50).	16 km
SHIP3987 43 km W 15m alt. 3 hours ago				- km
Woodinville 43 km WNW 137.2m alt. 2 hours ago	23° C	Dry	Wind obs. (8 kph from 99 degs) was rejected.

* 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.