– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Tue 03 Mar 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 Tue afternoon, min 5°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the N by Fri morning).											Days 5–7 Weather Summary Mostly dry. Warm (max 20°C on Sun morning, min 10°C on Fri night). Winds decreasing (fresh winds from the NE on Sat morning, calm by Mon morning).
	Tue 3		Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	clear	some clouds	clear	clear	clear
km/h	WSW	WNW	NW	NW	NNW	N	NNW	N	NNE	NNE	NE	NNE	NNE	NNE	NNE	NNE	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	16	11	12	12	6	14	14	9	16	16	11	16	17	13	20	20	15
min °C	12	8	11	8	5	11	10	8	13	13	10	14	13	12	18	16	13
chill °C	12	5	8	5	2	9	9	6	11	11	7	12	11	10	18	16	13

Freezing level m	3500	3250	2100	1950	2100	2350	2600	2650	2550	2800	2700	3350	3400	3650	3850	3900	3900
Cloud base (m)	9100		700					8800	6700				6750			8450	9400

	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	6:05	—	—	6:06	—	—	6:07	—	—	6:07	—	—	6:08	—	—	7:09	—

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 5°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the N by Fri morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Sun morning, min 10°C on Fri night). Winds decreasing (fresh winds from the NE on Sat morning, calm by Mon morning).

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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	9° C	Dry and partly cloudy.	Wind obs. (7 kph from 120 degs) was rejected.	14 km Low: scattered
Santa Rosa 30 km S 40m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 64).
Cloverdale 34 km W 106m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 299).
Graton 35 km SSW 87m alt. 47 minutes ago	7° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 56 minutes ago	8° C	Dry	Calm (0 kph at 187).
Sebastopol 36 km SSW 129m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 230).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 52 minutes ago	8° C	Dry	Calm (0 kph at 302).
Knowles Corner wx 37 km S 88m alt. 49 minutes ago	9° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	8° C	Dry	Calm (0 kph at 31).

* 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.