– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Sun 14 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 14 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Tue afternoon. Very mild (max 18°C on Sun morning, min 12°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 14°C on Wed morning, min 10°C on Wed night). Wind will be generally light.
	Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	light rain	light rain	rain shwrs	rain shwrs	some clouds	cloudy	some clouds	some clouds	light rain	mod. rain	rain shwrs
km/h	SE	S	NNW	NW	NW	NW	W	SW	W	W	W	WNW	W	W	WSW	SW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	1.9	2	0.3	0.1	—	—	—	—	0.9	6	0.2
max°C	18	17	13	18	18	15	17	14	14	14	14	10	13	13	11	12	12	12
min°C	14	13	13	15	15	14	16	14	12	13	11	10	12	12	10	11	11	10
chill°C	14	13	13	15	15	13	16	14	11	12	10	8	11	11	8	9	9	9

Freezing level (m)	3750	3750	3800	3700	3750	3600	3550	3400	3550	3350	3650	3600	3700	3700	3650	3350	3200	2800
Cloud base (m)	9050	7150	5400	4700	3400	3700	2500	1850	400	550	700	3100	850	450	500	400	400	450

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

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 4mm), mostly falling on Tue afternoon. Very mild (max 18°C on Sun morning, min 12°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 14°C on Wed morning, min 10°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	5° C	Fog -.	Calm (0 kph at 0).	0 km
Santa Rosa 30 km S 40m alt. 55 minutes ago	8° C	Dry	Calm (0 kph at 331).
Cloverdale 34 km W 106m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 194).
Graton 35 km SSW 87m alt. 59 minutes ago	6° C	Dry	Calm (0 kph at 27).
Alten wx 36 km S 69m alt. 24 minutes ago	7° C	Dry	Calm (3 kph at 90).
Sebastopol 36 km SSW 129m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 313).
Guerneville wx 36 km SW 18m alt. 58 minutes ago	8° C	Dry	Calm (0 kph at 150).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 113).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 353).
Knowles Corner wx 37 km S 88m alt. 47 minutes ago	8° C	Dry	Calm (2 kph at 293).

* 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.