– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Thu 12 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Thu 12 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 4mm), mostly falling on Sun morning. Mild temperatures (max 8°C on Fri afternoon, min 2°C on Sat afternoon). Winds increasing (calm on Fri night, gales from the S by Sun morning).											Days 5–7 Weather Summary Drizzle on Sun afternoon followed by colder weather and a heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -4°C on Mon night). Winds decreasing (gales from the WSW on Mon night, calm by Wed morning).
	Thu 12		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	some clouds	cloudy	light rain	rain shwrs	light rain	light snow	heavy snow	mod. snow	snow shwrs	mod. snow	light snow	light snow	mod. snow
km/h	NNW	NNE	W	WNW	SSW	S	S	SSW	S	S	SSE	ESE	WNW	WSW	WSW	WSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	3	11	6	1	8	3	2	7
mm	—	—	—	—	—	—	0.1	1.4	2	1.6	—	—	—	—	—	—	—
max °C	7	7	7	8	8	5	3	2	3	3	1	1	-1	-2	-3	-3	-3
min °C	6	6	7	7	6	4	2	2	2	2	1	0	-2	-4	-4	-3	-3
chill °C	3	4	6	5	3	-1	-5	-5	-6	-2	-4	-3	-12	-14	-13	-12	-11

Freezing level m	2250	2550	2800	2750	2700	2300	1800	1750	1750	1850	1600	1500	1200	850	850	950	850
Cloud base (m)	1900		8250		7000	6550	750	400	350	350	300	300	300	350	400	550	350

	—	—	7:03	—	—	7:01	—	—	7:01	—	—	7:00	—	—	6:58	—	—
	5:45	—	—	5:45	—	—	5:46	—	—	5:47	—	—	5:49	—	—	5:50	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 4mm), mostly falling on Sun morning. Mild temperatures (max 8°C on Fri afternoon, min 2°C on Sat afternoon). Winds increasing (calm on Fri night, gales from the S by Sun morning).

Mount Saint Helena Weather (Days 3-6):

Drizzle on Sun afternoon followed by colder weather and a heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -4°C on Mon night). Winds decreasing (gales from the WSW on Mon night, calm by Wed morning).

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	18° C	Dry and partly cloudy.	Light winds from the W (9 kph at 260).	16 km Low: few Mid: scattered
Santa Rosa 30 km S 40m alt. 43 minutes ago	17° C	Dry	Calm (0 kph at 175).
Cloverdale 34 km W 106m alt. 1 hour ago	18° C	Dry	Calm (5 kph at 281).
Graton 35 km SSW 87m alt. 1 hour ago	16° C	Dry	Calm (3 kph at 32).
Alten wx 36 km S 69m alt. 40 minutes ago	15° C	Dry	Calm (2 kph at 166).
Sebastopol 36 km SSW 129m alt. 56 minutes ago	14° C	Dry	Calm (0 kph at 350).
Camp Meeker wx 37 km SSW 61m alt. 45 minutes ago	14° C	Dry	Calm (5 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 46 minutes ago	13° C	Dry	Calm (2 kph at 258).
Knowles Corner wx 37 km S 88m alt. 54 minutes ago	13° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 322).

* 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.