– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Fri 20 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 20 Mar 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 22°C on Fri night, min 13°C on Mon morning). Winds increasing (calm on Sun morning, fresh winds from the WNW by Sun night).										Days 5–7 Weather Summary Mostly dry. Very mild (max 14°C on Mon night, min 11°C on Thu morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Thu afternoon).
		Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds
km/h	W	NW	WNW	ENE	WNW	WNW	WNW	WNW	WNW	W	W	W	WNW	W	WNW	NW	NNW	N	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	18	18	17	15	16	15	13	14	14	13	14	14	13	13	13	12	13	13
min °C	19	18	17	15	15	15	14	13	13	13	13	14	12	13	13	12	11	12	12
chill °C	19	18	16	14	15	15	12	11	12	11	10	12	10	11	11	11	11	11	11

Freezing level m	4200	4050	4050	4200	4050	4000	4150	4150	4200	4250	4100	4100	3950	3900	3900	3750	3700	3750	3800
Cloud base (m)	9250	8450	9250		6550	6400	9400	7100	5850				9300	9550	8900	8500			6600

	—	7:11	—	—	7:11	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:05	—	—
	—	—	7:22	—	—	7:23	—	—	7:24	—	—	7:25	—	—	7:25	—	—	7:27	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 22°C on Fri night, min 13°C on Mon morning). Winds increasing (calm on Sun morning, fresh winds from the WNW by Sun night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Mon night, min 11°C on Thu morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 3 hours ago	17° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 86).
Cloverdale 34 km W 106m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 5).
Graton 35 km SSW 87m alt. 54 minutes ago	14° C	Dry	Calm (2 kph at 29).
Alten wx 36 km S 69m alt. 44 minutes ago	16° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 59 minutes ago	18° C	Dry	Calm (0 kph at 217).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	17° C	Dry	Calm (2 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 275).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	13° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	15° C	Dry	Calm (0 kph at 3).

* 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.