– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Thu 30 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 30 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 5mm), mostly falling on Fri night. Very mild (max 19°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 23°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light.
	Thursday 30			Friday 1			Saturday 2			Sunday 3			Monday 4			Tuesday 5
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	rain shwrs	rain shwrs	rain shwrs	rain shwrs	risk tstorm	clear	clear	clear	clear	some clouds	clear	clear	clear	clear
km/h	SE	NW	ESE	WNW	WNW	ESE	N	NW	E	NNW	NNW	ESE	WNW	NW	NNW	NW	NW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.2	3	0.1	0.9	0.8	—	—	—	—	—	—	—	—	—
max °C	18	19	15	16	18	13	15	19	16	21	23	19	22	23	19	17	20	17
min °C	14	18	12	14	16	11	12	17	14	17	23	17	20	23	12	14	19	11
chill °C	14	18	12	14	16	11	12	17	14	17	23	17	20	23	12	14	19	11

Freezing level m	2800	2850	2850	2850	2950	3000	2950	3150	3250	3250	3450	3400	3350	3550	3750	3750	3750	3800
Cloud base (m)	9100		6850	8350	3050	3250	2150	2850				8400	9200	7900

	5:52	—	—	5:50	—	—	5:48	—	—	5:47	—	—	5:45	—	—	5:43	—	—
	—	—	8:16	—	—	8:17	—	—	8:19	—	—	8:21	—	—	8:22	—	—	8:22

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 5mm), mostly falling on Fri night. Very mild (max 19°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 23°C on Sun afternoon, min 11°C on Tue 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	7° C	Dry	Calm (0 kph at 323).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	2° C	-	Calm (0 kph at 80).
Renton 30 km WSW 160m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 32).
Black Diamond 32 km SSW 192m alt. 42 minutes ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	12° C	Clear	Light winds from the NNW (11 kph at 340).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 5).
Auburn 39 km SW 119m alt. 53 minutes ago	9° C	Dry	Calm (0 kph at 68).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	6° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 1 hour ago	1° C	-	Calm (0 kph at 268).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	12° C	Clear	Calm (0 kph at 0).	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.