– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Sat 13 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sat 13 Dec 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 19°C on Mon morning, min 12°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Tue morning, min 8°C on Wed night). Wind will be generally light.
	Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	some clouds	some clouds	light rain	rain shwrs	rain shwrs	clear	some clouds	some clouds	cloudy	some clouds
km/h	SE	SSE	SSE	SSE	S	NW	WNW	WNW	WNW	W	WSW	W	WSW	WNW	WNW	W	WSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.1	4	0.1	—	—	—	—	—
max°C	18	17	13	18	17	13	19	18	15	18	17	14	13	12	9	12	11	10
min°C	15	14	12	15	14	13	16	15	14	16	14	10	12	10	8	11	10	10
chill°C	15	14	12	15	14	13	16	15	13	16	12	8	11	9	6	10	8	8

Freezing level (m)	3900	3800	3700	3700	3750	3850	3750	3750	3650	3550	3450	3150	3500	3550	3450	3550	3550	3600
Cloud base (m)				8850	6800	6450	4700	3650	3650	3100	1900	350				900	700	450

	7:18	—	—	7:20	—	—	7:20	—	—	7:20	—	—	7:22	—	—	7:22	—	—
	—	4:49	—	—	4:49	—	—	4:50	—	—	4:50	—	—	4:50	—	—	4:51	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 19°C on Mon morning, min 12°C on Sat night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Tue morning, min 8°C on Wed 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	7° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered
Santa Rosa 30 km S 40m alt. 48 minutes ago	11° C	Dry	Calm (2 kph at 65).
Cloverdale 34 km W 106m alt. 46 minutes ago		-	Calm (5 kph at 150).
Graton 35 km SSW 87m alt. 51 minutes ago	11° C	Dry	Calm (2 kph at 35).
Alten wx 36 km S 69m alt. 33 minutes ago	10° C	Dry	Calm (3 kph at 125).
Sebastopol 36 km SSW 129m alt. 41 minutes ago	9° C	Dry	Calm (0 kph at 219).
Guerneville wx 36 km SW 18m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 144).
Camp Meeker wx 37 km SSW 61m alt. 59 minutes ago	13° C	Dry	Calm (0 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 349).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	8° 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.