– 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 14°C on Sun morning, min 7°C on Tue night). Winds increasing (calm on Sun afternoon, gales from the WSW by Tue afternoon).									Days 4–6 Weather Summary Light rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 10°C on Wed afternoon, min 6°C on Thu night). Winds decreasing (strong winds from the SW on Fri morning, moderate winds from the WNW by Fri night).
	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	S	SSW	W	WNW	NW	NW	WNW	WSW	W	WNW	WNW	WNW	WNW	W	WSW	SW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	1.9	2	0.3	0.1	—	—	—	—	0.9	6	0.2
max°C	14	14	13	14	14	13	13	11	11	7	10	10	9	8	8	7	9	8
min°C	14	13	13	13	13	13	12	11	7	7	9	9	9	8	6	6	8	7
chill°C	13	13	13	11	11	11	10	8	2	2	5	5	5	4	1	1	3	3

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 14°C on Sun morning, min 7°C on Tue night). Winds increasing (calm on Sun afternoon, gales from the WSW by Tue afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 10°C on Wed afternoon, min 6°C on Thu night). Winds decreasing (strong winds from the SW on Fri morning, moderate winds from the WNW by Fri night).

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 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	Mist -.	Light winds from the S (7 kph at 170).	8 km Low: overcast
Santa Rosa 30 km S 40m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 149).
Cloverdale 34 km W 106m alt. 41 minutes ago	13° C	Dry	Calm (3 kph at 169).
Graton 35 km SSW 87m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 35).
Alten wx 36 km S 69m alt. 59 minutes ago	6° C	Dry	Calm (2 kph at 96).
Sebastopol 36 km SSW 129m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 118).
Guerneville wx 36 km SW 18m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 162).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 48 minutes ago	8° C	Dry	Calm (0 kph at 358).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	9° 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.