– Lat/Long: 38.67° N 122.63° W

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

Issued: 10 pm Tue 10 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. Warm (max 21°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 26°C on Mon afternoon, min 14°C on Fri night). Wind will be generally light.
		Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NNW	WNW	WNW	NNW	NW	W	NNW	NW	WNW	NNW	NNW	WNW	N	N	W	NNE	NE	WSW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	13	16	19	15	18	21	16	17	20	16	18	21	17	21	25	20	23	26	21
min °C	10	10	19	12	12	21	13	13	20	14	14	21	15	16	24	18	18	26	18
chill °C	9	9	19	11	12	21	13	13	20	13	14	21	15	16	24	18	18	26	18

Freezing level m	3450	3500	3600	3700	3800	3900	3950	4000	3900	3700	3650	3800	4100	4300	4400	4500	4650	4700	4700
Cloud base (m)			9050					6350	7000	6450	8050						8950	9050

	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:22	—	—	7:20	—	—
	—	—	7:13	—	—	7:14	—	—	7:15	—	—	7:15	—	—	7:16	—	—	7:17	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 21°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Mon afternoon, min 14°C on Fri night). Wind will be generally light.

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. 3 hours ago	9° C	Clear	Light winds from the N (7 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 123).
Cloverdale 34 km W 106m alt. 53 minutes ago	9° C	Dry	Calm (3 kph at 311).
Graton 35 km SSW 87m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 47 minutes ago	9° C	Dry	Calm (0 kph at 148).
Sebastopol 36 km SSW 129m alt. 3 hours ago	9° C	Dry	Calm (0 kph at 340).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 57 minutes ago	7° C	Dry	Calm (2 kph at 276).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	6° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago		Dry	Calm (0 kph at 37).

* 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.