– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Thu 30 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 30 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 16°C on Thu night, min 9°C on Sun morning). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Wed afternoon, min 7°C on Sun night). Wind will be generally light.
		Friday 1			Saturday 2			Sunday 3			Monday 4			Tuesday 5			Wednesday 6
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	cloudy	cloudy	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	light rain	some clouds	some clouds	rain shwrs	clear	some clouds	clear
km/h	N	SSE	SSW	SSW	SSW	SW	SE	ESE	SW	E	NW	NW	NW	NNE	WNW	NNE	NE	NNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	0.3	—	—	0.4	—	—	—
max °C	16	15	16	15	12	11	11	9	9	9	7	8	8	8	9	10	10	13	14
min °C	15	15	15	13	11	11	10	9	9	7	7	7	7	8	9	9	9	11	13
chill °C	14	15	15	12	9	10	8	7	8	7	7	7	6	6	9	7	7	11	13

Freezing level m	3600	3550	3650	3500	3300	3250	3200	3050	2900	2800	2650	2800	2950	3400	3650	3700	3800	3900	3850
Cloud base (m)			6950	6250	5500	7750	6700	5950		400	400	650	450	800	750	400	700	800

	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:07	—	—
	—	—	—	8:01	—	—	8:02	—	—	8:04	—	—	8:05	—	—	8:06	—	—	8:07

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Thu night, min 9°C on Sun morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Wed afternoon, min 7°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. 2 hours ago	12° C	Clear	Wind obs. (9 kph from 150 degs) was rejected.	13 km
Santa Rosa 30 km S 40m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 68).
Cloverdale 34 km W 106m alt. 23 minutes ago	13° C	Dry	Calm (0 kph at 110).
Graton 35 km SSW 87m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 34 minutes ago	9° C	Dry	Calm (0 kph at 254).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	10° C	Dry	Calm (0 kph at 295).
Knowles Corner wx 37 km S 88m alt. 39 minutes ago	11° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 357).
Cotati 41 km S 94m alt. 35 minutes ago	11° C	Dry	Calm (0 kph at 306).

* 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.