– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Wed 03 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Wed 03 Dec 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 14°C on Fri morning, min 9°C on Wed night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the NNW by Fri night).										Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Mon morning, min 10°C on Sun night). Winds increasing (light winds from the NW on Mon morning, strong winds from the NNW by Tue afternoon).
		Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds
km/h	N	N	NNW	N	NNE	NW	NNW	NNW	NNW	NNW	NW	NW	NW	NW	NW	NNW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	10	11	12	12	14	14	13	12	12	12	12	12	11	13	13	13	13	13	12
min°C	9	10	12	11	13	13	11	10	11	11	11	12	10	12	13	12	13	13	10
chill°C	6	7	10	11	11	11	8	8	9	8	8	9	8	11	12	10	10	10	5

Freezing level (m)	3400	3650	3700	3800	3900	3850	3750	3800	3550	3350	3250	3200	3450	3750	3900	3900	3800	4000	3950
Cloud base (m)	8800	6350	8350			9150							8200	9100	9150

	—	7:11	—	—	7:13	—	—	7:13	—	—	7:15	—	—	7:15	—	—	7:16	—	—
	—	—	4:49	—	—	4:49	—	—	4:47	—	—	4:47	—	—	4:47	—	—	4:49	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 14°C on Fri morning, min 9°C on Wed night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the NNW by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Mon morning, min 10°C on Sun night). Winds increasing (light winds from the NW on Mon morning, strong winds from the NNW by Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	2° C	Clear	Light winds from the NNW (7 kph at 330).	16 km
Santa Rosa 30 km S 40m alt. 29 minutes ago	3° C	Dry	Calm (0 kph at 261).
Cloverdale 34 km W 106m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 139).
Graton 35 km SSW 87m alt. 1 hour ago		Dry
Alten wx 36 km S 69m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 131).
Sebastopol 36 km SSW 129m alt. 58 minutes ago	4° C	Dry	Calm (0 kph at 323).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 248).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	3° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 54 minutes ago	3° C	Dry	Calm (0 kph at 7).

* 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.