– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Tue 07 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 07 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 22°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.
	Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	light rain	light rain	some clouds	some clouds	clear	clear	some clouds	rain shwrs	rain shwrs	some clouds	rain shwrs	clear	clear	clear	clear
km/h	W	WNW	NNW	W	W	WNW	WNW	W	SSE	SW	W	SW	WSW	SW	S	W	WNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.1	0.1	—	—	—	—	—	0.2	0.1	—	0.2	—	—	—	—
max °C	20	22	19	14	14	15	15	20	18	14	17	16	15	19	17	16	20	17
min °C	17	22	12	13	14	10	11	18	11	13	16	11	13	17	8	12	19	12
chill °C	17	22	12	13	14	10	11	18	11	13	16	11	13	17	8	12	19	12

Freezing level m	3900	3950	3800	3650	3700	3700	3300	3550	3800	3550	3450	3400	3400	3300	3450	3650	3700	3950
Cloud base (m)	9150	7000		450	600	550	650	2700		800	850		850	1700	1600

	5:16	—	—	5:18	—	—	5:18	—	—	5:20	—	—	5:20	—	—	5:20	—	—
	—	—	9:05	—	—	9:05	—	—	9:04	—	—	9:02	—	—	9:02	—	—	9:01

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 22°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Sun afternoon, min 8°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
Renton 30 km WSW 160m alt. 3 hours ago	18° C	Dry	Calm (2 kph at 314).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Clear	Light winds from the N (6 kph at 1).	16 km
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	21° C	Clear	Wind obs. (9 kph from 1 degs) was rejected.	16 km
SHIP8154 43 km W 15m alt. 3 hours ago				- km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	17° C	Clear	Calm (0 kph at 0).	16 km
SHIP8766 43 km W 3m alt. 58 minutes ago	24° C
SHIP1500 43 km W 15m alt. 3 hours ago				- km
SHIP2550 43 km W 15m alt. 2 hours ago				- km
SHIP4763 43 km W 15m alt. 2 hours ago				- km
SHIP3199 43 km W 15m alt. 3 hours ago				- 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.