– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Fri 28 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 28 Aug 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 20°C on Sun afternoon, min 17°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sun afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Tue morning). Wind will be generally light.
	Fri 28		Saturday 29			Sunday 30			Monday 31			Tuesday 1			Wednesday 2
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear
Cloud base (m)	5550									9300	350	400	750		9650
km/h	SW	WSW	WSW	W	NE	ENE	NE	SSE	SSE	SW	WSW	WSW	WSW	WNW	W	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	19	19	18	19	19	17	20	19	17	17	16	11	12	12	12	15	13
min °C	19	18	18	19	17	17	19	18	17	16	13	10	10	11	11	14	12
chill °C	18	18	18	19	16	16	19	18	16	15	12	8	8	9	10	13	10

Freezing level m	4100	4400	4250	4250	4300	4350	4450	4450	4250	4300	4000	3350	3400	3700	3700	4000	4050

	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:39	—	—	6:39	—	—
	7:46	—	—	7:45	—	—	7:44	—	—	7:42	—	—	7:40	—	—	7:38	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 20°C on Sun afternoon, min 17°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sun afternoon).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Tue 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. 2 hours ago	20°C	Clear	Light winds from the SSE (9 kph at 160).	16 km
Cloverdale 34 km W 106m alt. 1 hour ago	25°C	Dry	Calm (3 kph at 137).
Graton 35 km SSW 87m alt. 1 hour ago	24°C	Dry	Calm (2 kph at 30).
Alten wx 36 km S 69m alt. 46 minutes ago	21°C	Dry	Calm (0 kph at 120).
Sebastopol 36 km SSW 129m alt. 51 minutes ago	21°C	Dry	Calm (0 kph at 167).
Camp Meeker wx 37 km SSW 61m alt. 52 minutes ago	23°C	Dry	Calm (0 kph at 23).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	22°C	Dry	Calm (2 kph at 103).
Knowles Corner wx 37 km S 88m alt. 3 hours ago	22°C	Dry	Calm (2 kph at 338).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 316).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 337).

* 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.