– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States

Issued: 4 pm Tue 13 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Tue 13 Oct 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 22°C on Thu afternoon, min 13°C on Tue afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NE by Thu morning).											Days 5–7 Weather Summary Mostly dry. Warm (max 22°C on Fri afternoon, min 14°C on Mon morning). Wind will be generally light.
	Tue 13		Wednesday 14			Thursday 15			Friday 16			Saturday 17			Sunday 18
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	9650	8650	8850										9500		9500		8450
km/h	NNW	NE	NNW	NNW	NNE	NE	NE	NE	NE	SW	WSW	WSW	W	SW	SSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	14	15	16	18	18	19	22	21	20	22	20	19	20	19	17	17	16
min °C	13	14	15	17	18	18	21	19	19	21	19	18	20	17	17	17	15
chill °C	11	13	14	17	18	17	21	19	19	21	19	18	20	17	17	17	14

Freezing level m	4000	4100	4200	4250	4200	4450	4550	4750	4700	4600	4400	4200	4150	4100	4150	4150	4000

	—	—	7:18	—	—	7:18	—	—	7:20	—	—	7:20	—	—	7:22	—	—
	6:35	—	—	6:34	—	—	6:31	—	—	6:30	—	—	6:29	—	—	6:28	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 22°C on Thu afternoon, min 13°C on Tue afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NE by Thu morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Fri afternoon, min 14°C on Mon morning). 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 3 hours ago	17°C	Clear	Light winds from the NE (6 kph at 40).	16 km
Cloverdale 34 km W 106m alt. 1 hour ago	17°C	Dry	Calm (2 kph at 274).
Graton 35 km SSW 87m alt. 44 minutes ago	11°C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	14°C	Dry	Calm (0 kph at 151).
Sebastopol 36 km SSW 129m alt. 53 minutes ago	13°C	Dry	Calm (0 kph at 306).
Camp Meeker wx 37 km SSW 61m alt. 44 minutes ago	12°C	Dry	Calm (3 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	14°C	Dry	Calm (2 kph at 283).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11°C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 53 minutes ago	11°C	Dry	Calm (0 kph at 358).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago	10°C	Dry	Calm (0 kph at 177).

* 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.