– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Mon 16 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 16 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -1°C on Mon night, min -4°C on Tue afternoon). Winds decreasing (gales from the SW on Mon night, light winds from the SW by Wed afternoon).										Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun afternoon, min -2°C on Thu night). Winds increasing (light winds from the SW on Thu night, near gales from the S by Sun afternoon).
		Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	mod. snow	snow shwrs	some clouds	some clouds	cloudy	cloudy	light snow	clear	clear	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	rain shwrs	light rain	mod. rain
km/h	W	W	WSW	WNW	WNW	W	SSE	SE	NNW	NNE	S	S	S	SSE	SSE	S	S	S	SSW
See all weather maps
cm	6	6	3	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	2	10
max °C	-1	-2	-3	-4	-2	-1	-3	-3	-2	-1	-1	-2	-2	0	0	2	4	6	7
min °C	-2	-2	-4	-4	-3	-2	-4	-3	-3	-2	-2	-2	-2	-1	0	0	4	6	7
chill °C	-12	-12	-13	-14	-10	-5	-11	-8	-11	-5	-5	-5	-7	-8	-6	-8	-3	0	1

Freezing level m	950	1050	900	450	900	1150	800	900	900	850	1100	1150	800	1200	1350	1600	2200	2350	2550
Cloud base (m)	700	350	500	500	700	1600	2350	750	400	400	6150	900	750	750	750	900	850	600	400

	—	6:58	—	—	6:56	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—
	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—	—	5:54	—	—	5:55	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -1°C on Mon night, min -4°C on Tue afternoon). Winds decreasing (gales from the SW on Mon night, light winds from the SW by Wed afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun afternoon, min -2°C on Thu night). Winds increasing (light winds from the SW on Thu night, near gales from the S by Sun afternoon).

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 1323 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helena. 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 California.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	7° C	Clear	Light winds from the WSW (9 kph at 240).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 182).
Cloverdale 34 km W 106m alt. 35 minutes ago	7° C	Dry	Calm (2 kph at 51).
Graton 35 km SSW 87m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 36).
Alten wx 36 km S 69m alt. 29 minutes ago	6° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 35 minutes ago	6° C	Dry	Calm (0 kph at 70).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 31 minutes ago	6° C	Dry	Calm (2 kph at 247).
Knowles Corner wx 37 km S 88m alt. 32 minutes ago	5° C	Dry	Calm (2 kph at 68).
Camp Meeker wx 39 km SSW 61m alt. 48 minutes ago	6° C	Dry	Calm (0 kph at 311).

* 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.