– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Fri 20 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 23°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Mon afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the W on Tue morning, calm by Wed night).
	Fri 20		Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	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	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	W	NW	WNW	ENE	WNW	W	WNW	WNW	WNW	W	W	W	W	NW	NW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	23	22	18	17	17	15	15	15	13	13	13	12	12	11	11	12	12
min °C	23	19	18	17	14	14	15	13	13	13	12	12	12	11	11	12	10
chill °C	23	19	17	16	13	14	15	11	11	12	9	9	10	8	9	10	10

Freezing level m	4400	4200	4000	4050	4150	4000	3900	3950	4050	4150	4200	4000	4050	3750	3600	3650	3750
Cloud base (m)		9250	9100			6300	6100	5350		6400	4150				9600		9000

	—	—	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 23°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Mon afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the W on Tue morning, calm by Wed 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	17° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 57 minutes ago	18° C	Dry	Calm (0 kph at 86).
Cloverdale 34 km W 106m alt. 1 hour ago	21° C	Dry	Calm (0 kph at 355).
Graton 35 km SSW 87m alt. 27 minutes ago	16° C	Dry	Calm (2 kph at 38).
Alten wx 36 km S 69m alt. 58 minutes ago	16° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 25 minutes ago	18° C	Dry	Calm (0 kph at 217).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	18° C	Dry	Calm (3 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 36 minutes ago	18° C	Dry	Calm (0 kph at 276).
Knowles Corner wx 37 km S 88m alt. 32 minutes ago	14° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 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.