– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Wed 12 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 12 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 53mm), heaviest during Thu morning. Very mild (max 12°C on Sat morning, min 4°C on Thu night). Winds decreasing (stormy winds from the S on Wed night, light winds from the NE by Fri night).											Days 5–7 Weather Summary Heavy rain (total 32mm), heaviest during Sun afternoon. Very mild (max 12°C on Sat afternoon, min 2°C on Mon afternoon). Winds decreasing (near gales from the S on Sun afternoon, calm by Mon morning).
	Wed 12		Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	heavy rain	heavy rain	light rain	rain shwrs	rain shwrs	clear	clear	some clouds	some clouds	light rain	light rain	mod. rain	heavy rain	light rain	rain shwrs	light rain
km/h	S	S	SSW	SSW	SSW	ESE	ENE	ENE	N	WNW	SSW	S	S	SSE	W	NNW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.6	16	31	1.6	3	0.5	—	—	—	—	0.3	3	10	13	2	3	0.1
max°C	9	10	8	5	5	5	7	11	12	12	9	5	5	4	3	2	2
min°C	8	9	6	5	4	5	6	7	11	11	4	5	4	4	3	2	2
chill°C	3	3	0	0	0	2	4	4	10	10	0	0	-3	-3	2	-3	-3

Freezing level (m)	3450	3050	2950	2700	2150	2150	2400	2800	3250	3100	2950	2500	2450	2100	1900	1750	1700
Cloud base (m)	400	450	350	350	650	450	850		6450	6700	1650	400	300	300	350	350	350

	—	—	6:50	—	—	6:50	—	—	6:52	—	—	6:52	—	—	6:54	—	—
	4:59	—	—	4:58	—	—	4:57	—	—	4:57	—	—	4:55	—	—	4:54	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 53mm), heaviest during Thu morning. Very mild (max 12°C on Sat morning, min 4°C on Thu night). Winds decreasing (stormy winds from the S on Wed night, light winds from the NE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 32mm), heaviest during Sun afternoon. Very mild (max 12°C on Sat afternoon, min 2°C on Mon afternoon). Winds decreasing (near gales from the S on Sun afternoon, calm by Mon morning).

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	17° C	Haze -.	Light winds from the E (9 kph at 90).	10 km Low: overcast
Santa Rosa 30 km S 40m alt. 37 minutes ago	18° C	Dry	Calm (0 kph at 43).
Cloverdale 34 km W 106m alt. 32 minutes ago	14° C	Dry	Calm (0 kph at 109).
Graton 35 km SSW 87m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 236).
Alten wx 36 km S 69m alt. 2 hours ago	15° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 105).
Guerneville wx 36 km SW 18m alt. 35 minutes ago	15° C	Dry	Calm (0 kph at 100).
Camp Meeker wx 37 km SSW 61m alt. 46 minutes ago	14° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 209).
Knowles Corner wx 37 km S 88m alt. 42 minutes ago	14° 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.