– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States

Issued: 4 am Thu 01 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Thu 01 Oct Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 25°C on Sat afternoon, min 20°C on Thu morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 25°C on Sun afternoon, min 22°C on Sun night). Wind will be generally light.
	Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	clear	some clouds	some clouds	cloudy	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)				7300	7300	6900	6850				7300
km/h	SSE	SSW	S	SSE	S	SE	SSE	SSW	SSW	SSE	SW	W	SW	WSW	WSW	SSW	SW	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	23	22	22	23	23	23	25	24	24	25	24	23	25	23	23	25	24
min °C	20	22	21	21	23	22	22	24	23	23	25	22	22	24	22	22	24	23
chill °C	20	22	21	21	23	22	22	24	23	23	25	22	22	24	22	22	24	23

Freezing level m	4900	4900	4800	4850	4800	4750	4600	4600	4550	4450	4350	4400	4400	4450	4600	4750	4900	4900

	7:05	—	—	7:05	—	—	7:07	—	—	7:07	—	—	7:09	—	—	7:09	—	—
	—	6:52	—	—	6:52	—	—	6:50	—	—	6:49	—	—	6:46	—	—	6:45	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 25°C on Sat afternoon, min 20°C on Thu morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 25°C on Sun afternoon, min 22°C on Sun night). 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. 3 hours ago	8°C	Fog -.	Calm (0 kph at 0).	0 km
Cloverdale 34 km W 106m alt. 2 hours ago	9°C	Dry	Calm (0 kph at 287).
Graton 35 km SSW 87m alt. 2 hours ago	8°C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	13°C	Dry	Calm (0 kph at 99).
Sebastopol 36 km SSW 129m alt. 3 hours ago	8°C	Dry	Calm (0 kph at 298).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	14°C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	14°C	Dry	Calm (0 kph at 287).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	8°C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 1).
Monte Rio wx 40 km SSW 76m alt. 2 hours 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.