– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States

Issued: 9 pm Tue 03 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 pm Tue 03 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 16°C on Fri morning, min 6°C on Tue night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Very mild (max 17°C on Sat morning, min 13°C on Sun night). Wind will be generally light.
		Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	750	9200	6550						8000						8850	9400
km/h	ESE	NNW	NW	N	NW	NW	N	NNW	N	ENE	SE	W	NW	W	WNW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	9	10	11	14	14	14	16	16	16	17	17	15	15	15	14
min °C	6	8	10	11	14	14	14	15	16	15	16	15	14	15	15	13
chill °C	3	6	8	9	13	14	14	15	16	15	16	15	14	15	15	12

Freezing level m	3050	3600	3550	3600	3650	3600	3700	4000	4100	4250	4300	4250	4100	4050	4000	3950

	—	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—	6:45	—	—
	—	—	5:06	—	—	5:05	—	—	5:04	—	—	5:02	—	—	5:01	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Fri morning, min 6°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 17°C on Sat morning, min 13°C on Sun night). Wind will be generally light.

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 cloudy.	Wind obs. (9 kph from 320 degs) was rejected.	16 km Low: overcast
Cloverdale 34 km W 106m alt. 1 hour ago	11°C	Dry	Calm (3 kph at 321).
Graton 35 km SSW 87m alt. 2 hours ago	9°C	Dry	Calm (0 kph at 37).
Alten wx 36 km S 69m alt. 2 hours ago	11°C	Dry	Calm (0 kph at 233).
Sebastopol 36 km SSW 129m alt. 1 hour ago	9°C	Dry	Calm (0 kph at 318).
Camp Meeker wx 37 km SSW 61m alt. 53 minutes ago	9°C	Dry	Calm (0 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	9°C	Dry	Calm (0 kph at 349).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	11°C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	11°C	Dry	Calm (0 kph at 353).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 238).

* 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.