– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Wed 11 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Wed 11 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Mild temperatures (max 8°C on Fri morning, min 3°C on Wed night). Winds increasing (calm on Fri morning, strong winds from the S by Sat afternoon).										Days 5–7 Weather Summary Moderate rain (total 14mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Mon night). Winds increasing (moderate winds from the ESE on Sun afternoon, gales from the S by Mon night).
		Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	clear	some clouds	clear	clear	some clouds	some clouds	cloudy	cloudy	light rain	light rain	light rain	light snow	light snow	light snow	snow shwrs	light snow	snow shwrs	some clouds
km/h	ESE	NE	NNW	NNE	WNW	WNW	SSE	S	S	S	SSE	ESE	SE	SSW	S	S	SW	SW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	5	4	3	16	2	1	—
mm	0.2	—	—	—	—	—	—	—	—	0.3	0.3	2	11	—	—	—	—	—	—
max °C	3	5	6	7	8	8	8	6	4	3	3	4	4	1	1	2	-2	-2	-2
min °C	3	4	6	7	7	8	6	5	4	2	2	3	1	0	0	-3	-3	-2	-2
chill °C	-2	1	4	4	7	6	2	1	-1	-4	-4	-2	-5	-8	-8	-12	-12	-10	-8

Freezing level m	1900	2050	2300	2550	2850	2800	2800	2500	2150	1850	1750	1850	1900	1300	1550	1650	1000	1100	950
Cloud base (m)	950		1900		8450		6600	6600	800	500	500	700	300	350	600	300	400	550	800

	—	7:03	—	—	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: Mostly dry. Mild temperatures (max 8°C on Fri morning, min 3°C on Wed night). Winds increasing (calm on Fri morning, strong winds from the S by Sat afternoon).

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 14mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Mon night). Winds increasing (moderate winds from the ESE on Sun afternoon, gales from the S by Mon 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	11° C	Dry and partly cloudy.	Light winds from the ENE (7 kph at 70).	16 km Low: scattered Mid: broken
Santa Rosa 30 km S 40m alt. 41 minutes ago	12° C	Dry	Wind obs. (6 kph from 16 degs) was rejected.
Cloverdale 34 km W 106m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 53).
Graton 35 km SSW 87m alt. 38 minutes ago	9° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 117).
Sebastopol 36 km SSW 129m alt. 44 minutes ago	9° C	Dry	Calm (0 kph at 104).
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	9° C	Dry	Calm (0 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 39 minutes ago	9° C	Dry	Calm (0 kph at 344).
Knowles Corner wx 37 km S 88m alt. 55 minutes ago	10° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 325).

* 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.