– Lat/Long: 38.67° N 122.63° W

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

Issued: 10 am Fri 20 Mar 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 29°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light.
	Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	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	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	E	W	NW	NW	WNW	NE	WSW	WSW	W	W	W	WNW	W	WSW	WNW	WNW	WNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	27	29	23	22	24	17	20	22	17	17	20	15	17	19	14	16	18	12
min °C	21	28	18	17	23	15	16	22	12	13	19	12	12	19	12	12	17	10
chill °C	21	28	18	17	23	15	16	22	11	12	19	11	11	19	11	11	16	10

Freezing level m	4450	4400	4200	4000	4000	4150	4000	3900	3900	4050	4100	4250	4050	4050	3650	3600	3700	3750
Cloud base (m)			9250	8650	8800		6500	8850	6050	9350		9300					9550	9250

	7:13	—	—	7:11	—	—	7:11	—	—	7:09	—	—	7:07	—	—	7:05	—	—
	—	7:22	—	—	7:22	—	—	7:23	—	—	7:24	—	—	7:25	—	—	7:25	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 29°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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	33° C	Clear	Wind obs. (9 kph from 1 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	31° C	Dry	Calm (3 kph at 103).
Cloverdale 34 km W 106m alt. 2 hours ago	33° C	Dry	Calm (3 kph at 145).
Graton 35 km SSW 87m alt. 53 minutes ago	31° C	Dry	Wind obs. (8 kph from 34 degs) was rejected.
Alten wx 36 km S 69m alt. 39 minutes ago	28° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 56 minutes ago	31° C	Dry	Calm (0 kph at 180).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	34° C	Dry	Wind obs. (6 kph from 225 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	31° C	Dry	Calm (5 kph at 230).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	28° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	27° C	Dry	Calm (0 kph at 290).

* 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.