– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Mon 09 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 09 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 22°C on Thu afternoon, min 9°C on Tue morning). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Fri morning). Wind will be generally light.
		Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	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	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear
km/h	NW	NW	NW	NNW	NW	WNW	NNW	NNW	W	NNW	NW	WNW	NNW	NNW	N	N	NNE	N	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	14	18	12	16	20	15	19	22	17	19	21	17	18	22	18	22	24	20
min °C	10	9	17	10	11	19	13	13	22	14	13	21	13	13	21	16	16	24	18
chill °C	8	7	17	8	10	19	12	13	22	14	13	21	12	12	21	15	16	24	18

Freezing level m	3450	3250	3300	3400	3450	3550	3700	3800	3900	4000	4000	4000	3800	3750	3950	4100	4150	4400	4650
Cloud base (m)	9400							9450	9600				6900						9300

	—	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. Warm (max 22°C on Thu afternoon, min 9°C on Tue morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Fri morning). 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	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 57 minutes ago	9° C	Dry	Calm (0 kph at 52).
Cloverdale 34 km W 106m alt. 2 hours ago	11° C	Dry	Light winds from the NNW (6 kph at 327).
Graton 35 km SSW 87m alt. 2 hours ago	7° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 157).
Sebastopol 36 km SSW 129m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 98).
Camp Meeker wx 37 km SSW 61m alt. 54 minutes ago	7° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 286).
Knowles Corner wx 37 km S 88m alt. 52 minutes ago	7° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 20).

* 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.