– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Sun 30 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 30 Nov 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 12°C on Tue morning, min 8°C on Sun night). Winds increasing (light winds from the NNW on Mon night, near gales from the NNE by Tue night).										Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Thu night, min 5°C on Sat afternoon). Winds increasing (light winds from the NW on Wed night, strong winds from the NW by Fri night).
		Monday 1			Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	some clouds	cloudy	clear	clear	clear	clear	some clouds	clear	clear	clear
km/h	NNE	NNE	NE	N	NW	NW	NE	NE	NNE	N	NNE	N	NNE	NW	NW	NW	NNW	NNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	9	10	10	11	12	12	10	10	11	10	10	11	12	12	10	11	7	6	5
min°C	8	10	10	11	12	12	9	10	10	8	9	11	12	12	10	8	6	5	4
chill°C	4	8	8	10	11	9	5	6	7	7	6	9	10	9	7	3	2	1	1

Freezing level (m)	3900	4000	3950	3800	3650	3600	3250	3050	3250	3350	3550	3700	3750	3850	3900	3650	2850	2600	2700
Cloud base (m)	8900	9000		5200	8550	6700	9200	6950	7000		6950	6000	4200	8350	8900	450	2300	8250

	—	7:09	—	—	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—	7:13	—	—
	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:47	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 12°C on Tue morning, min 8°C on Sun night). Winds increasing (light winds from the NNW on Mon night, near gales from the NNE by Tue night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Thu night, min 5°C on Sat afternoon). Winds increasing (light winds from the NW on Wed night, strong winds from the NW by Fri 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 1 hour ago	7° C	Mist -.	Wind obs. (9 kph from 180 degs) was rejected.	2 km Low: overcast
Santa Rosa 30 km S 40m alt. 40 minutes ago	7° C	Dry	Calm (0 kph at 59).
Cloverdale 34 km W 106m alt. 3 hours ago	6° C	Dry	Calm (0 kph at 124).
Graton 35 km SSW 87m alt. 1 hour ago	6° C	Dry	Calm (0 kph at —).
Alten wx 36 km S 69m alt. 40 minutes ago	6° C	Dry	Calm (0 kph at 114).
Sebastopol 36 km SSW 129m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 173).
Guerneville wx 36 km SW 18m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 132).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (5 kph at 23).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 7).
Knowles Corner wx 37 km S 88m alt. 49 minutes ago	7° C	Dry	Calm (0 kph at —).

* 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.