– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States

Issued: 3 am Sat 07 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 3 am Sat 07 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 17°C on Sat morning, min 10°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 18°C on Wed morning, min 11°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the S by Thu afternoon).
	Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
Cloud base (m)	9650		9150	8650		9150	8850	2950		8900					9450	9250	8950
km/h	S	W	W	WNW	W	W	WNW	WNW	NNW	NNE	NNW	ENE	ESE	ESE	S	S	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	17	15	14	13	13	12	11	11	13	16	17	17	18	17	16	14	13	13
min °C	15	14	13	13	13	10	11	11	11	16	17	16	17	17	15	14	13	11
chill °C	14	13	12	12	12	7	9	9	9	16	17	16	17	17	14	12	11	9

Freezing level m	4200	4100	3950	3900	3900	3800	3550	3250	3750	3900	4050	4150	4150	4100	3900	3550	3400	3450

	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—	6:48	—	—	6:48	—	—
	—	5:02	—	—	5:01	—	—	5:01	—	—	5:00	—	—	5:00	—	—	4:59	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Sat morning, min 10°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 18°C on Wed morning, min 11°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the S by Thu 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	6°C	Mist -.	Calm (0 kph at 0).	5 km Low: few
Cloverdale 34 km W 106m alt. 2 hours ago	8°C	Dry	Calm (0 kph at 11).
Graton 35 km SSW 87m alt. 57 minutes ago	7°C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 126).
Sebastopol 36 km SSW 129m alt. 1 hour ago	9°C	Dry	Calm (0 kph at 179).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 290).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	5°C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 5).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 302).

* 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.