– Lat/Long: 38.67° N 122.63° W

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

Issued: 4 pm Sat 21 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 25°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 23°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light.
	Sat 21		Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	4050	4200	4100	4000	4100	4200	4250	4300	4200	4200	4050	3900	3850	3750	3900	3900	3950
Cloud base (m)	8900		6400	6550	5600	4950	4700				9500			8600			6750

	—	—	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 14°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 11°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	20° C	Clear	Light winds from the NNW (11 kph at 340).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	17° C	Dry	Calm (2 kph at 65).
Cloverdale 34 km W 106m alt. 50 minutes ago	16° C	Dry	Calm (3 kph at 294).
Graton 35 km SSW 87m alt. 1 hour ago	17° C	Dry	Calm (2 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 151).
Sebastopol 36 km SSW 129m alt. 3 hours ago	21° C	Dry	Calm (0 kph at 330).
Camp Meeker wx 37 km SSW 61m alt. 53 minutes ago	15° C	Dry	Calm (5 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 244).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	14° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 12).

* 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.