– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Sun 10 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 10 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Warm (max 21°C on Mon afternoon, min 6°C on Wed morning). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 17°C on Fri night, min 4°C on Wed night). Winds decreasing (fresh winds from the W on Wed afternoon, calm by Fri morning).
	Sun 10		Monday 11			Tuesday 12			Wednesday 13			Thursday 14			Friday 15
	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	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	SE	SSE	SSW	S	S	SW	WSW	WSW	W	NNW	NNW	WNW	N	WNW	WNW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.5	0.3	—	—	—	—	—	—	—
max °C	20	20	20	21	20	18	18	17	7	6	5	6	11	12	13	16	17
min °C	20	19	19	20	18	18	18	9	6	5	4	5	10	12	13	15	15
chill °C	20	19	19	20	17	17	18	5	1	0	-1	2	8	10	13	14	14

Freezing level m	4500	4450	4400	4450	4350	4200	4200	3900	2400	2000	2050	3300	3850	3850	3850	3850	3800
Cloud base (m)		9150	9650	9650		9600	9400		450	1600	1900	2600

	—	—	6:01	—	—	6:01	—	—	6:00	—	—	5:58	—	—	5:58	—	—
	—	8:09	—	—	8:10	—	—	8:12	—	—	8:13	—	—	8:14	—	—	8:15

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 21°C on Mon afternoon, min 6°C on Wed morning). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 17°C on Fri night, min 4°C on Wed night). Winds decreasing (fresh winds from the W on Wed afternoon, calm by Fri morning).

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. 3 hours ago	24° C	Clear	Light winds from the S (13 kph at 170).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	21° C	Dry	Wind obs. (10 kph from 126 degs) was rejected.
Cloverdale 34 km W 106m alt. 48 minutes ago	28° C	Dry	Calm (3 kph at 192).
Graton 35 km SSW 87m alt. 2 hours ago	24° C	Dry	Calm (3 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	20° C	Dry	Calm (5 kph at 93).
Sebastopol 36 km SSW 129m alt. 51 minutes ago	21° C	Dry	Calm (0 kph at 263).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	27° C	Dry	Light winds from the SSW (6 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	22° C	Dry	Calm (2 kph at 284).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	24° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	22° C	Dry	Calm (0 kph at 279).

* 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.