– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Mon 06 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 06 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 22°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light.
	Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	light rain	light rain	rain shwrs	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear
km/h	WNW	NW	SSE	W	WNW	N	WSW	WSW	SW	W	WNW	NE	W	W	SSE	W	W	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	0.1	0.2	0.1	—	—	—	—	—	—	—	—	—
max °C	23	25	22	20	24	19	14	14	14	15	19	17	17	21	18	19	22	19
min °C	19	25	15	17	23	12	13	13	9	11	17	11	14	20	13	15	21	9
chill °C	19	25	15	17	23	12	13	13	9	11	17	11	14	20	13	15	21	9

Freezing level m	3950	4050	4000	3850	4050	3600	3350	3700	3700	3200	3350	3700	3600	3700	3800	3850	3850	3600
Cloud base (m)				8750	6550		450	450	6900	3200	2800					7200

	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—	5:20	—	—	5:20	—	—
	—	—	9:06	—	—	9:05	—	—	9:05	—	—	9:04	—	—	9:02	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 25°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Sat afternoon, min 9°C on Sat 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	27° C	Dry	Calm (2 kph at 348).
Snoqualmie Pass 30 km ESE 824m alt. 34 minutes ago	29° C	-	Calm (0 kph at 353).
Renton 30 km WSW 160m alt. 2 hours ago	27° C	Dry	Light winds from the N (6 kph at 359).
Grotto wx 35 km NE 321m alt. 1 hour ago	27° C	Dry	Moderate winds from the W (21 kph at 271).
Renton Airport 36 km WSW 218m alt. 2 hours ago	26° C	Clear	Light winds from the NNW (13 kph at 340).	16 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	27° C	Dry	Calm (3 kph at 113).
Auburn 39 km SW 119m alt. 1 hour ago	38° C	Dry	Calm (3 kph at 271).
Stampede Pass Airport 40 km SE 628m alt. 45 minutes ago	24° C	Clear	Calm (0 kph at 0).	16 km
Woodinville 43 km WNW 137.2m alt. 31 minutes ago	30° C	Dry	Calm (2 kph at 143).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	26° C	Clear	Light winds from the WNW (13 kph at 290).	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.