– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Sun 05 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 05 Apr 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 15°C on Sun afternoon, min 12°C on Mon night). Winds increasing (light winds from the SSE on Sun afternoon, fresh winds from the NW by Tue night).									Days 4–6 Weather Summary Some drizzle, heaviest during Fri afternoon. Very mild (max 13°C on Wed afternoon, min 8°C on Thu night). Wind will be generally light.
	Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	cloudy	risk tstorm	rain shwrs	clear	rain shwrs	rain shwrs
km/h	SSE	SSW	SSW	SW	W	WNW	NW	WNW	NW	WNW	W	W	SSW	SSW	SSE	ESE	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	0.3	0.4	—	0.8	0.4
max °C	14	15	14	13	13	13	13	13	14	12	13	11	9	9	9	8	10	9
min °C	13	14	13	13	13	12	12	13	12	12	12	9	9	9	8	8	9	8
chill °C	12	14	12	12	12	10	10	11	10	10	10	8	8	7	6	6	7	8

Freezing level m	3450	3400	3400	3450	3450	3350	3450	3500	3250	3050	3000	2850	2700	2700	2600	2550	2650	2650
Cloud base (m)	5950	5350	5100	4850			6800	5350	3550	3500	2700	2900	2900	1900		5800	1850	2800

	6:48	—	—	6:48	—	—	6:46	—	—	6:45	—	—	6:43	—	—	6:41	—	—
	—	7:37	—	—	7:37	—	—	7:38	—	—	7:39	—	—	7:40	—	—	7:42	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 15°C on Sun afternoon, min 12°C on Mon night). Winds increasing (light winds from the SSE on Sun afternoon, fresh winds from the NW by Tue night).

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Fri afternoon. Very mild (max 13°C on Wed afternoon, min 8°C on Thu 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	7° C	Clear	Light winds from the NW (9 kph at 320).	16 km
Santa Rosa 30 km S 40m alt. 34 minutes ago	12° C	Dry	Calm (0 kph at 113).
Cloverdale 34 km W 106m alt. 38 minutes ago	14° C	Dry	Light winds from the NNW (6 kph at 328).
Graton 35 km SSW 87m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 49 minutes ago	13° C	Dry	Calm (0 kph at 180).
Sebastopol 36 km SSW 129m alt. 56 minutes ago	11° C	Dry	Calm (0 kph at 338).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	13° C	Dry	Calm (0 kph at 274).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	7° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 26 minutes ago	8° C	Dry	Calm (0 kph at 9).

* 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.