– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Sat 21 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 21 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 25°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 23°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light.
	Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
km/h	NNW	WNW	NE	WSW	WSW	WNW	WNW	W	WNW	W	W	NW	WNW	WNW	NNW	NNE	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	25	18	20	23	17	18	21	16	19	21	15	19	21	15	18	23	18
min °C	18	24	15	16	22	13	13	20	14	14	21	14	14	21	10	12	22	15
chill °C	18	24	15	16	22	12	12	20	13	13	21	13	13	21	9	11	22	14

Freezing level m	4050	4050	4200	4100	4000	4100	4200	4200	4300	4200	4200	3900	3800	3800	3750	3800	3950	4000
Cloud base (m)	8200	9400		6850	8950	6200	9000					9250	9000	8850				7000

	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 25°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 23°C on Thu 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. 3 hours ago	11° C	Clear	Wind obs. (6 kph from 170 degs) was rejected.	14 km
Santa Rosa 30 km S 40m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 86).
Cloverdale 34 km W 106m alt. 2 hours ago	20° C	Dry	Light winds from the NW (6 kph at 320).
Graton 35 km SSW 87m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 109).
Sebastopol 36 km SSW 129m alt. 59 minutes ago	20° C	Dry	Calm (0 kph at 122).
Camp Meeker wx 37 km SSW 61m alt. 54 minutes ago	32° C	Dry	Calm (5 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 46 minutes ago	27° C	Dry	Calm (2 kph at 174).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago		Dry	Calm (0 kph at 147).

* 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.