– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Wed 10 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 10 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 Fri night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 14°C on Sat morning, min 10°C on Mon night). Wind will be generally light.
	Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14			Monday 15
	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	clear	clear	some clouds	some clouds	some clouds
km/h	NNW	NNW	NW	NNW	NNW	NNE	NNE	NE	E	SE	NNE	S	S	SSW	SW	W	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	18	18	17	18	17	17	17	17	16	14	14	13	13	13	12	13	12	11
min°C	17	17	16	17	17	16	17	16	13	14	13	11	12	12	12	13	12	10
chill°C	17	17	15	17	17	15	17	15	12	14	13	11	12	12	12	12	10	7

Freezing level (m)	4150	4150	4150	4200	4200	4200	4150	4050	4000	3850	3750	3650	3700	3700	3650	3500	3250	3250
Cloud base (m)															9500	7000	2550

	7:16	—	—	7:18	—	—	7:18	—	—	7:18	—	—	7:20	—	—	7:20	—	—
	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:50	—

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 Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Sat morning, min 10°C on Mon 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. 2 hours ago		-	Calm (0 kph at 0).	1 km
Santa Rosa 30 km S 40m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 46).
Cloverdale 34 km W 106m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 138).
Graton 35 km SSW 87m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 111).
Guerneville wx 36 km SW 18m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 174).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (3 kph at 23).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 358).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	6° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 12).

* 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.