– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Thu 16 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 16 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 29°C on Tue afternoon, min 16°C on Sun morning). Wind will be generally light.
	Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds
km/h	WNW	WSW	SW	W	W	SSE	WNW	NW	NNE	NW	NW	E	WNW	WNW	E	WNW	WNW	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.7	2	0.7	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	19	18	16	17	22	20	18	22	19	20	24	21	23	28	24	27	29	25
min °C	17	17	13	14	21	12	14	21	13	16	23	17	20	27	20	22	29	21
chill °C	17	17	13	14	21	12	14	21	13	16	23	17	20	27	20	22	29	21

Freezing level m	4000	4250	4100	4050	4050	4000	3900	3950	4100	4150	4300	4450	4600	4650	4650	4700	4800	4850
Cloud base (m)	2900	650	450										9450	9100	8850	5700	5200	5350

	5:24	—	—	5:26	—	—	5:26	—	—	5:28	—	—	5:30	—	—	5:31	—	—
	—	—	8:59	—	—	8:58	—	—	8:57	—	—	8:55	—	—	8:54	—	—	8:53

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 29°C on Tue afternoon, min 16°C on Sun morning). 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
Renton 30 km WSW 160m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 37).
Renton Airport 36 km WSW 218m alt. 2 hours ago	18° C	Clear	Light winds from the SSE (6 kph at 150).	16 km
Auburn 39 km SW 119m alt. 29 minutes ago	16° C	Dry	Calm (0 kph at 66).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	16° C	Clear	Calm (0 kph at 0).	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	17° C	Clear	Calm (0 kph at 0).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	14° C	Dry and partly cloudy.	Light winds from the S (13 kph at 180).	16 km Low: scattered
Snohomish 49 km NW 196m alt. 52 minutes ago	12° C	Dry	Calm (2 kph at 159).
Seattle 49 km WSW 100m alt. 1 hour ago		-
SHIP7336 51 km W 15m alt. 3 hours ago				- km
SHIP5363 51 km W 3m alt. 3 hours ago	16° C

* 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.