– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Tue 16 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 16 Sep 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 Wed afternoon, min 17°C on Thu night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 24°C on Mon afternoon, min 18°C on Fri night). Wind will be generally light.
		Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	cloudy	some clouds	light rain	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
km/h	SSW	S	WSW	WSW	WSW	W	S	SSE	SE	NNW	N	WNW	NNW	NNW	W	WNW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	0.1	0.4	—	—	—	—	—	—	—	—	—	—	—	—
max°C	21	21	23	23	22	21	20	17	19	18	19	21	21	22	23	22	22	24	23
min°C	21	20	23	22	21	21	17	17	18	18	18	20	20	20	23	22	21	24	20
chill°C	21	20	23	22	21	21	17	17	18	18	18	20	20	20	23	22	21	24	20

Freezing level (m)	4650	4600	4600	4600	4450	4350	4200	4150	4100	4000	4050	4150	4250	4500	4650	4850	4850	4850	4850
Cloud base (m)				6600	5800	6500		6450									9600		5800

	—	6:52	—	—	6:54	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	—	—	7:15	—	—	7:14	—	—	7:12	—	—	7:10	—	—	7:08	—	—	7:07	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 23°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Mon afternoon, min 18°C on Fri night). Wind will be generally light.

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	13° C	Clear	Wind obs. (7 kph from 160 degs) was rejected.	16 km
Santa Rosa 25 km S 56m alt. 2 hours ago		Dry	Calm (0 kph at 74).
Santa Rosa 30 km S 40m alt. 57 minutes ago	13° C	Dry	Calm (0 kph at 65).
Cloverdale 34 km W 106m alt. 39 minutes ago	18° C	Dry	Calm (0 kph at 300).
Graton 35 km SSW 87m alt. 34 minutes ago	11° C	Dry	Calm (0 kph at 250).
Alten wx 36 km S 69m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 44 minutes ago	12° C	Dry	Calm (0 kph at 259).
Guerneville wx 36 km SW 18m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 180).
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	14° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 288).

* 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.