– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Fri 24 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 24 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 14°C on Sat afternoon, min 6°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Wed afternoon, min 5°C on Mon night). Wind will be generally light.
	Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	some clouds	some clouds	rain shwrs	some clouds	clear	clear	some clouds	light rain	light rain	light rain	rain shwrs	rain shwrs	clear	clear	clear
km/h	NNW	NNW	E	NW	NNW	E	NW	NW	S	SW	SW	SSW	SW	WNW	E	NW	NNW	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	0.1	—	—	—	—	0.2	1.1	0.3	0.3	0.1	—	—	—
max °C	11	13	9	12	14	8	12	14	11	8	8	7	5	7	7	13	17	13
min °C	8	11	6	9	13	7	10	14	6	7	7	5	5	6	5	9	15	10
chill °C	7	10	5	9	12	7	10	13	5	6	5	3	3	6	5	9	15	10

Freezing level m	1750	1900	1900	1900	2000	1950	1900	2100	2000	1500	1550	1200	1200	1350	1900	2400	2600	2700
Cloud base (m)		6500	6500		2400	5300	3100	2450	2550	550	600	450	450	550	900		2300

	6:01	—	—	6:00	—	—	5:58	—	—	5:56	—	—	5:54	—	—	5:52	—	—
	—	—	8:07	—	—	8:09	—	—	8:10	—	—	8:12	—	—	8:14	—	—	8:15

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Very mild (max 14°C on Sat afternoon, min 6°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Wed afternoon, min 5°C on Mon 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	12° C	Dry	Calm (0 kph at 9).
Snoqualmie Pass 30 km ESE 824m alt. 59 minutes ago	3° C	-	Calm (0 kph at 359).
Renton 30 km WSW 160m alt. 2 hours ago	12° C	Dry	Calm (3 kph at 11).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Calm (2 kph at 94).
Grotto wx 35 km NE 321m alt. 3 hours ago	5° C	Dry	Calm (2 kph at 91).
Renton Airport 36 km WSW 218m alt. 2 hours ago	9° C	Clear	Light winds from the N (6 kph at 0).	16 km
Grotto wx 39 km NE 1101m alt. 2 hours ago	0° C	-	Calm (0 kph at 336).
Auburn 39 km SW 119m alt. 53 minutes ago	21° C	Dry	Calm (3 kph at 264).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	1° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 58 minutes ago	10° C	Dry	Calm (2 kph at 46).

* 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.