– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States

Issued: 3 am Tue 10 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 3 am Tue 10 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 16°C on Tue afternoon, min 7°C on Thu night). Winds increasing (calm on Tue night, near gales from the SSW by Thu night).									Days 4–6 Weather Summary Heavy rain (total 43mm), heaviest during Sun night. Mild temperatures (max 7°C on Fri morning, min 4°C on Fri afternoon). Winds decreasing (stormy winds from the SSW on Fri morning, light winds from the WSW by Sat night).
	Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	some clouds	rain shwrs	light rain	rain shwrs	rain shwrs	rain shwrs	rain shwrs	some clouds	light rain	light rain	heavy rain
Cloud base (m)				9450	9300	9050	8300	6300	450	350	300	400	400	800	6000	500	650	350
km/h	NW	NW	SSE	SSE	S	S	SSE	S	SSW	S	WSW	WSW	W	W	WSW	SSW	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.2	3	12	2	0.8	0.1	—	0.1	0.4	25
max °C	15	16	16	15	15	13	12	10	9	7	5	4	5	5	5	5	6	6
min °C	15	15	14	14	14	11	10	10	7	7	4	4	4	5	5	5	6	4
chill °C	15	15	14	13	12	8	7	7	2	0	-3	-3	-1	1	2	0	2	0

Freezing level m	3950	4000	4100	4050	3850	3650	3300	3250	2950	2700	2200	1950	2050	2450	3150	3000	2800	2550

	6:47	—	—	6:48	—	—	6:48	—	—	6:50	—	—	6:50	—	—	6:52	—	—
	—	5:00	—	—	5:00	—	—	4:59	—	—	4:58	—	—	4:57	—	—	4:57	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Tue afternoon, min 7°C on Thu night). Winds increasing (calm on Tue night, near gales from the SSW by Thu night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 43mm), heaviest during Sun night. Mild temperatures (max 7°C on Fri morning, min 4°C on Fri afternoon). Winds decreasing (stormy winds from the SSW on Fri morning, light winds from the WSW by Sat night).

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 718m alt. 2 hours ago	7°C	Mist -.	Calm (0 kph at 0).	16 km Low: few
Cloverdale 34 km W 106m alt. 1 hour ago	13°C	Dry	Calm (3 kph at 321).
Graton 35 km SSW 87m alt. 58 minutes ago	8°C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 23 minutes ago	14°C	Dry	Calm (0 kph at 174).
Sebastopol 36 km SSW 129m alt. 39 minutes ago	11°C	Dry	Calm (0 kph at 309).
Camp Meeker wx 37 km SSW 61m alt. 55 minutes ago	11°C	Dry	Calm (0 kph at 180).
Camp Meeker wx 37 km SSW 61m alt. 22 minutes ago	13°C	Dry	Calm (0 kph at 23).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	7°C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 1).
Monte Rio wx 40 km SSW 76m alt. 27 minutes ago	9°C	Dry	Calm (0 kph at 304).

* 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.