– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Mon 19 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Mon 19 Jan 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 15°C on Mon afternoon, min 9°C on Wed afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Thu afternoon, min 9°C on Sat night). Winds decreasing (strong winds from the NNE on Fri night, calm by Sat night).
	Mon 19		Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	cloudy	cloudy	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds
km/h	N	NE	E	NNE	SSW	SE	SSE	SE	N	NNW	NNE	N	NNE	NNE	N	NNE	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	13	13	13	12	11	10	10	11	12	12	11	11	11	11	11	10
min °C	14	12	12	12	11	10	9	9	10	11	10	11	11	10	11	11	9
chill °C	13	12	12	12	11	10	9	7	9	9	7	9	9	8	10	11	9

Freezing level m	3800	3750	3650	3600	3450	3300	3000	2550	2900	3050	3350	3450	3350	3550	3800	3750	3750
Cloud base (m)	9000		6200	5800	6450	5000	4650	2900	5750					8900			6900

	—	—	7:24	—	—	7:24	—	—	7:22	—	—	7:22	—	—	7:22	—	—
	5:16	—	—	5:17	—	—	5:20	—	—	5:21	—	—	5:22	—	—	5:22	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 15°C on Mon afternoon, min 9°C on Wed afternoon). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Thu afternoon, min 9°C on Sat night). Winds decreasing (strong winds from the NNE on Fri night, calm 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 219m alt. 2 hours ago	13° C	Clear	Wind obs. (9 kph from 170 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 101).
Cloverdale 34 km W 106m alt. 49 minutes ago	11° C	Dry	Calm (2 kph at 70).
Graton 35 km SSW 87m alt. 49 minutes ago	9° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 33 minutes ago	9° C	Dry	Calm (0 kph at 172).
Sebastopol 36 km SSW 129m alt. 51 minutes ago	9° C	Dry	Calm (0 kph at 219).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8° C	Dry	Calm (5 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 29 minutes ago	9° C	Dry	Calm (0 kph at 272).
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. 29 minutes ago	8° C	Dry	Calm (0 kph at 342).

* 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.