– Lat/Long: 38.67° N 122.63° W

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

Issued: 9 am Mon 16 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 2°C on Mon morning, min -4°C on Tue afternoon). Winds decreasing (gales from the SW on Mon night, calm by Wed afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -3°C on Thu morning). Winds increasing (light winds from the W on Thu night, gales from the S by Sat night).
	Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	snow shwrs	snow shwrs	light snow	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	some clouds	clear	some clouds	cloudy	cloudy	cloudy
km/h	NE	W	WNW	W	W	WNW	NW	W	ESE	WNW	NW	NNE	SW	SSW	S	SE	SSE	SSE
See all weather maps
cm	—	1	7	6	3	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	-2	-2	-4	-4	-3	-2	-3	-2	-3	-2	-1	-1	-2	2	1	3
min °C	1	2	-2	-3	-4	-4	-4	-3	-4	-3	-3	-3	-2	-2	-2	0	0	0
chill °C	-1	-3	-11	-13	-14	-13	-8	-3	-8	-8	-11	-9	-5	-6	-7	-5	-7	-8

Freezing level m	1550	1550	900	950	850	400	850	1050	650	900	1000	650	1100	1150	850	1300	1650	1550
Cloud base (m)	1650	1500	550	350	550	600	1500	1650	1550	650	700	400	6300	900	750	850	750	900

	7:00	—	—	6:58	—	—	6:56	—	—	6:56	—	—	6:54	—	—	6:52	—	—
	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—	—	5:54	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 2°C on Mon morning, min -4°C on Tue afternoon). Winds decreasing (gales from the SW on Mon night, calm by Wed afternoon).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -3°C on Thu morning). Winds increasing (light winds from the W on Thu night, gales from the S by Sat night).

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	10° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Santa Rosa 30 km S 40m alt. 45 minutes ago	11° C	Dry	Calm (0 kph at 216).
Cloverdale 34 km W 106m alt. 32 minutes ago	10° C	Dry	Calm (3 kph at 0).
Graton 35 km SSW 87m alt. 50 minutes ago	10° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 51 minutes ago	10° C	Dry	Calm (0 kph at 254).
Sebastopol 36 km SSW 129m alt. 26 minutes ago	11° C	Dry	Calm (0 kph at 281).
Camp Meeker wx 37 km SSW 61m alt. 59 minutes ago	10° C	Dry	Calm (0 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 20 minutes ago	9° C	Dry	Calm (0 kph at 0).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 343).

* 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.