– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Thu 04 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 04 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the NW by Fri night).									Days 4–6 Weather Summary Moderate rain (total 17mm), heaviest on Mon afternoon. Very mild (max 14°C on Sun afternoon, min 4°C on Mon night). Winds increasing (calm on Sun morning, strong winds from the NW by Sun night).
	Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	some clouds	some clouds	some clouds	light rain	mod. rain	rain shwrs	rain shwrs	light rain	clear
km/h	NNE	WNW	SE	WSW	WNW	WNW	NNW	WNW	N	NNW	W	NW	WSW	SW	W	NNW	N	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	2	8	6	0.1	0.5	—
max °C	18	21	21	20	22	22	15	16	16	12	14	14	8	8	8	5	9	12
min °C	17	20	20	20	22	17	14	15	13	11	13	9	8	8	4	4	7	10
chill °C	17	20	20	20	22	16	14	14	12	11	12	5	4	3	-2	-2	4	7

Freezing level m	4750	4800	4800	4700	4550	4300	3900	3800	3800	3700	3700	3550	3100	3150	2450	2050	2500	3300
Cloud base (m)			9650			6650	6550			6550	8650	6150	700	350	450	700	2000

	5:46	—	—	5:46	—	—	5:46	—	—	5:46	—	—	5:45	—	—	5:45	—	—
	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:31	—	—	8:32	—	—	8:34

Mount Saint Helena Weather (Days 0-3):

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

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 17mm), heaviest on Mon afternoon. Very mild (max 14°C on Sun afternoon, min 4°C on Mon night). Winds increasing (calm on Sun morning, strong winds from the NW by Sun night).

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	25° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 52 minutes ago	24° C	Dry	Calm (0 kph at 134).
Cloverdale 34 km W 106m alt. 1 hour ago	28° C	Dry	Calm (5 kph at 331).
Graton 35 km SSW 87m alt. 2 hours ago	26° C	Dry	Calm (5 kph at 29).
Alten wx 36 km S 69m alt. 1 hour ago	25° C	Dry	Calm (0 kph at 200).
Sebastopol 36 km SSW 129m alt. 24 minutes ago	26° C	Dry	Calm (0 kph at 173).
Camp Meeker wx 37 km SSW 61m alt. 47 minutes ago	30° C	Dry	Wind obs. (8 kph from 248 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	25° C	Dry	Wind obs. (6 kph from 292 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 35 minutes ago	27° C	Dry	Calm (3 kph at 270).
Cotati 41 km S 94m alt. 35 minutes ago	21° C	Dry	Calm (5 kph at 305).

* 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.