– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Thu 14 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 14 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 18°C on Thu afternoon, min 11°C on Fri night). Winds increasing (calm on Thu morning, strong winds from the NW by Fri night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 19°C on Tue afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the NNE on Sun night, calm by Tue afternoon).
	Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	W	WNW	NE	NW	NW	NW	NNW	NNW	N	NNE	NNW	NNE	NNE	WSW	ENE	NE	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	16	18	18	15	17	17	11	13	14	12	16	15	15	17	17	17	19	19
min °C	15	17	15	14	17	11	11	13	12	12	15	15	15	17	16	16	19	18
chill °C	15	17	14	14	16	8	9	12	11	9	13	13	14	17	15	15	19	18

Freezing level m	4100	4150	3900	3800	3850	3500	3300	3500	3500	3550	3700	3900	3800	3800	3700	4000	4100	4250
Cloud base (m)			9050			6950		8650		9100		9000

	5:58	—	—	5:58	—	—	5:58	—	—	5:56	—	—	5:56	—	—	5:54	—	—
	—	—	8:14	—	—	8:15	—	—	8:15	—	—	8:16	—	—	8:17	—	—	8:17

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 18°C on Thu afternoon, min 11°C on Fri night). Winds increasing (calm on Thu morning, strong winds from the NW by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Tue afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the NNE on Sun night, calm by Tue afternoon).

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	16° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	21° C	Dry	Calm (0 kph at 144).
Cloverdale 34 km W 106m alt. 57 minutes ago	21° C	Dry	Wind obs. (8 kph from 330 degs) was rejected.
Graton 35 km SSW 87m alt. 1 hour ago	21° C	Dry	Calm (2 kph at 30).
Alten wx 36 km S 69m alt. 1 hour ago	20° C	Dry	Calm (5 kph at 102).
Sebastopol 36 km SSW 129m alt. 28 minutes ago	19° C	Dry	Calm (0 kph at 204).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	26° C	Dry	Calm (3 kph at 158).
Camp Meeker wx 37 km SSW 61m alt. 49 minutes ago	22° C	Dry	Calm (3 kph at 291).
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. 32 minutes ago	19° C	Dry	Calm (0 kph at 354).

* 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.