– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Mon 06 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 Fri 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	some clouds	some clouds	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs	clear
km/h	WNW	NW	SE	W	WNW	N	SW	WSW	SW	W	WNW	NNE	W	W	S	WSW	SW	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	0.2	0.3	0.2	—	—	—	—	—	—	—	0.1	—
max °C	23	25	22	20	23	18	13	13	14	15	19	17	17	22	18	16	18	15
min °C	19	25	15	17	23	12	13	13	9	11	18	11	14	20	12	13	17	9
chill °C	19	25	15	17	23	12	13	13	9	11	18	11	14	20	12	13	17	9

Freezing level m	4000	4050	3950	3850	3950	3450	3450	3600	3650	3150	3300	3600	3500	3650	3500	3650	3600	3800
Cloud base (m)					6800		450	450	800	3050	2550		6100			500	950

	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 Fri 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. 59 minutes ago	17° C	Dry	Calm (0 kph at 12).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	13° C	-	Calm (3 kph at 66).
Renton 30 km WSW 160m alt. 55 minutes ago	18° C	Dry	Calm (0 kph at 314).
Grotto wx 35 km NE 321m alt. 34 minutes ago	17° C	Dry	Calm (3 kph at 105).
Renton Airport 36 km WSW 218m alt. 2 hours ago	15° C	Clear	Calm (0 kph at 0).	16 km
Grotto wx 39 km NE 1101m alt. 2 hours ago	11° C	Dry	Calm (2 kph at 15).
Auburn 39 km SW 119m alt. 1 hour ago	27° C	Dry	Calm (0 kph at 62).
SHIP2427 43 km W 15m alt. 2 hours ago				- km
SHIP7043 43 km W 15m alt. 2 hours ago				- km
SHIP9383 43 km W 15m alt. 2 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.