– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Sun 02 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sun 02 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 36mm), heaviest during Tue night. Warm (max 23°C on Sun afternoon, min 12°C on Mon night). Winds increasing (calm on Sun afternoon, near gales from the SSW by Tue night).											Days 5–7 Weather Summary Some drizzle, heaviest during Wed afternoon. Warm (max 20°C on Sat morning, min 10°C on Wed night). Wind will be generally light.
	Sun 2		Monday 3			Tuesday 4			Wednesday 5			Thursday 6			Friday 7
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	cloudy	cloudy	cloudy	heavy rain	mod. rain	rain shwrs	rain shwrs	clear	some clouds	some clouds	rain shwrs	clear	clear
km/h	SSW	SW	WSW	WSW	WSW	SSW	SSW	S	SW	SW	WSW	WNW	WSW	WNW	W	NW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	31	5	1.4	0.1	—	—	—	0.2	—	—
max°C	23	17	19	17	13	16	15	13	13	13	12	16	16	12	15	17	13
min°C	18	13	17	13	12	15	13	12	13	11	10	13	13	12	13	14	13
chill°C	18	12	17	12	11	14	11	9	10	10	9	13	12	11	12	14	12

Freezing level (m)	4200	4050	3600	3650	3400	3550	3500	3350	2750	2600	2750	3400	3400	3650	3550	3650	4100
Cloud base (m)					3200	2000	800	650	400	450	450		3350	2600	500	400	9500

	—	—	6:39	—	—	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—
	4:08	—	—	5:07	—	—	5:06	—	—	5:05	—	—	5:04	—	—	5:02	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 36mm), heaviest during Tue night. Warm (max 23°C on Sun afternoon, min 12°C on Mon night). Winds increasing (calm on Sun afternoon, near gales from the SSW by Tue night).

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Wed afternoon. Warm (max 20°C on Sat morning, min 10°C on Wed night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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. 3 hours ago	16° C	Clear	Light winds from the SSE (9 kph at 160).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 76).
Cloverdale 34 km W 106m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 71).
Graton 35 km SSW 87m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 219).
Alten wx 36 km S 69m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 48 minutes ago	13° C	Dry	Calm (0 kph at 216).
Guerneville wx 36 km SW 18m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 202).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 275).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	13° C	Dry	Calm (0 kph at —).

* 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.