– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Sun 16 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sun 16 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 43mm), heaviest during Sun night. Very mild (max 12°C on Tue morning, min 8°C on Sun night). Winds decreasing (fresh winds from the S on Sun night, calm by Tue afternoon).											Days 5–7 Weather Summary Light rain (total 7mm), mostly falling on Wed night. Very mild (max 15°C on Fri morning, min 7°C on Wed night). Wind will be generally light.
	Sun 16		Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	heavy rain	light rain	rain shwrs	rain shwrs	clear	clear	clear	some clouds	cloudy	mod. rain	rain shwrs	rain shwrs	clear	clear	clear	clear
km/h	S	W	SSW	NNE	NE	NNE	NNE	NNE	SE	SSE	SSW	SSW	NE	N	NE	NE	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	3	32	4	3	0.3	—	—	—	—	—	6	0.9	0.4	—	—	—	—
max°C	11	10	9	8	8	12	12	9	11	11	9	10	10	8	15	14	11
min°C	10	8	8	8	8	10	10	8	10	9	7	9	7	7	12	12	10
chill°C	7	6	8	7	5	10	10	8	10	8	6	9	4	5	11	11	9

Freezing level (m)	2500	1900	1700	1700	1900	2750	2950	2750	2900	3100	2000	1650	1750	2350	3100	3150	3550
Cloud base (m)	350	350	350	400	2100	2100			800	650	400	600	1550

	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—
	4:55	—	—	4:54	—	—	4:54	—	—	4:53	—	—	4:52	—	—	4:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 43mm), heaviest during Sun night. Very mild (max 12°C on Tue morning, min 8°C on Sun night). Winds decreasing (fresh winds from the S on Sun night, calm by Tue afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Wed night. Very mild (max 15°C on Fri morning, min 7°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. 2 hours ago	13° C	Light rain .	Moderate winds from the SSE (22 kph at 150).	6 km Mid: overcast
Santa Rosa 30 km S 40m alt. 48 minutes ago	14° C	Dry	Wind obs. (8 kph from 53 degs) was rejected.
Cloverdale 34 km W 106m alt. 1 hour ago	13° C	Dry	Wind obs. (8 kph from 63 degs) was rejected.
Graton 35 km SSW 87m alt. 1 hour ago	13° C	Dry	Calm (2 kph at 219).
Alten wx 36 km S 69m alt. 2 hours ago	13° C	Dry	Calm (5 kph at 81).
Sebastopol 36 km SSW 129m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 123).
Guerneville wx 36 km SW 18m alt. 48 minutes ago	13° C	Dry	Calm (0 kph at 123).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	13° C	Light rain.	Light winds from the SSE (8 kph at 158).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	12° C	Light rain.	Light winds from the SSE (11 kph at 156).
Knowles Corner wx 37 km S 88m alt. 55 minutes ago	13° C	Dry	Wind obs. (2 kph from 0 degs) was rejected.

* 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.