– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Tue 10 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 10 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 16°C on Thu afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the NW on Tue morning, light winds from the NW by Thu morning).									Days 4–6 Weather Summary Mostly dry. Very mild (max 19°C on Sun night, min 13°C on Sat morning). Mainly fresh winds.
	Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear
km/h	NW	NNW	NNW	NW	NW	NNW	NW	WNW	NW	NW	NW	NW	NNW	NNE	N	NNE	N	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	11	11	13	14	14	15	16	16	15	16	16	14	14	16	17	18	19
min °C	11	11	10	11	13	14	14	16	14	14	15	14	13	14	14	16	18	19
chill °C	8	8	9	9	12	12	13	16	13	13	14	12	11	14	12	15	18	18

Freezing level m	3300	3300	3450	3450	3550	3700	3800	3900	4000	3950	3900	3700	3650	3900	4100	4250	4350	4500
Cloud base (m)	9450				9350	8450	9500					7000						8800

	7:28	—	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:22	—	—
	—	7:12	—	—	7:13	—	—	7:14	—	—	7:15	—	—	7:15	—	—	7:16	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Thu afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the NW on Tue morning, light winds from the NW by Thu morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Sun night, min 13°C on Sat morning). Mainly fresh winds.

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	6° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 59).
Cloverdale 34 km W 106m alt. 42 minutes ago	9° C	Dry	Calm (5 kph at 18).
Graton 35 km SSW 87m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 120).
Sebastopol 36 km SSW 129m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 190).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 276).
Knowles Corner wx 37 km S 88m alt. 54 minutes ago	3° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	4° C	Dry	Calm (0 kph at 6).

* 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.