– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Fri 05 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Fri 05 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 14°C on Fri afternoon, min 10°C on Sat night). Winds increasing (light winds from the NE on Fri morning, fresh winds from the NNW by Sat morning).									Days 4–6 Weather Summary Mostly dry. Very mild (max 16°C on Tue morning, min 11°C on Mon morning). Winds increasing (light winds from the NNW on Mon afternoon, strong winds from the NNW by Wed afternoon).
	Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	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	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NE	NNW	NNW	NNW	NNW	NNW	NW	NW	NNW	NW	NNW	NNW	NW	NNW	NNW	NNW	NNW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	13	14	13	12	12	11	12	12	11	13	13	14	16	16	15	13	13	13
min°C	12	13	11	12	11	10	11	11	11	11	13	13	15	15	13	13	12	12
chill°C	11	11	8	9	8	7	8	9	9	9	11	11	13	13	10	10	8	9

Freezing level (m)	4000	3900	3800	3550	3650	3550	3350	3400	3500	3600	3850	3900	4100	4050	4100	4000	4000	3900
Cloud base (m)	8250	8450			9050	9450	8200			8700	8700				9450

	7:13	—	—	7:13	—	—	7:15	—	—	7:15	—	—	7:16	—	—	7:16	—	—
	—	4:49	—	—	4:47	—	—	4:47	—	—	4:47	—	—	4:49	—	—	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 afternoon, min 10°C on Sat night). Winds increasing (light winds from the NE on Fri morning, fresh winds from the NNW by Sat morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Tue morning, min 11°C on Mon morning). Winds increasing (light winds from the NNW on Mon afternoon, strong winds from the NNW by Wed 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	Mist -.	Light winds from the SSE (6 kph at 150).	1 km
Santa Rosa 30 km S 40m alt. 49 minutes ago	3° C	Dry	Calm (0 kph at 218).
Cloverdale 34 km W 106m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 110).
Graton 35 km SSW 87m alt. 1 hour ago	5° C	Dry	Calm (0 kph at —).
Alten wx 36 km S 69m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 151).
Guerneville wx 36 km SW 18m alt. 41 minutes ago	4° C	Dry	Calm (0 kph at 232).
Camp Meeker wx 37 km SSW 61m alt. 30 minutes ago	4° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 237).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	3° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 98).

* 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.