– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Mon 08 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Mon 08 Dec 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 18°C on Wed morning, min 13°C on Mon morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 17°C on Thu morning, min 11°C on Sat night). Wind will be generally light.
	Monday 8			Tuesday 9			Wednesday 10			Thursday 11			Friday 12			Saturday 13
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	some clouds	clear	clear
km/h	NW	NW	NNW	NNW	NNW	NNE	N	N	NNW	N	N	NNE	NNE	NE	E	SSW	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	13	13	14	17	17	17	18	18	17	17	17	16	16	16	15	12	12	11
min°C	13	13	13	16	17	16	18	17	16	16	16	15	16	15	12	12	12	11
chill°C	12	11	12	14	16	16	18	17	16	16	16	14	16	14	12	12	12	10

Freezing level (m)	3800	4100	4100	4100	4100	4100	4200	4200	4150	4200	4150	4050	4000	4000	3900	3650	3550	3500
Cloud base (m)	9050		9500											7850		6900	7100	8250

	7:15	—	—	7:16	—	—	7:16	—	—	7:18	—	—	7:18	—	—	7:18	—	—
	—	4:47	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 18°C on Wed morning, min 13°C on Mon morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 17°C on Thu morning, min 11°C on Sat 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 1 hour ago	6° C	Mist -.	Wind obs. (7 kph from 80 degs) was rejected.	6 km Low: overcast
Santa Rosa 30 km S 40m alt. 37 minutes ago	6° C	Dry	Calm (0 kph at 51).
Cloverdale 34 km W 106m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 5).
Graton 35 km SSW 87m alt. 54 minutes ago	6° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 2 hours ago	6° C	Dry	Calm (3 kph at 117).
Guerneville wx 36 km SW 18m alt. 43 minutes ago	6° C	Dry	Calm (0 kph at 170).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (3 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 40 minutes ago	5° C	Dry	Calm (3 kph at 143).
Knowles Corner wx 37 km S 88m alt. 50 minutes ago	6° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 5).

* 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.