– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Sun 15 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 15 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 43mm), heaviest during Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min 0°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night).									Days 4–6 Weather Summary Light rain (total 3mm), mostly falling on Wed afternoon. Mild temperatures (max 6°C on Thu morning, min 1°C on Thu night). Wind will be generally light.
	Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	mod. rain	heavy rain	light rain	light rain	rain shwrs	mod. rain	rain shwrs	clear	light rain	light rain	light rain	rain shwrs	rain shwrs	some clouds	cloudy	cloudy	cloudy
km/h	SSE	SSE	S	NE	NW	WNW	W	WSW	WNW	WNW	WSW	N	NW	WNW	NNE	S	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	4	6	17	1.8	0.6	6	5	2	—	0.2	1.2	0.2	0.3	0.6	—	—	—	—
max °C	9	9	7	7	8	5	5	4	1	5	5	3	6	6	2	5	5	5
min °C	8	8	6	7	6	3	4	2	0	4	3	2	3	2	1	4	4	4
chill °C	5	5	5	5	3	-2	-1	-3	-6	1	0	2	1	-2	-2	3	2	2

Freezing level m	1850	1950	1650	1550	1600	950	1000	1000	500	1000	1050	900	950	1150	800	1000	1150	1400
Cloud base (m)	350	350	350	450	450	600	350	450	400	600	700	450	450	750	550	500	1600	400

	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:56	—	—	6:54	—	—
	—	5:47	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 43mm), heaviest during Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min 0°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 3mm), mostly falling on Wed afternoon. Mild temperatures (max 6°C on Thu morning, min 1°C on Thu 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	11° C	Moderate rain .	Light winds from the SE (9 kph at 130).	8 km Mid: broken High: overcast
Santa Rosa 30 km S 40m alt. 1 hour ago	13° C	Dry	Wind obs. (8 kph from 43 degs) was rejected.
Cloverdale 34 km W 106m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 150).
Graton 35 km SSW 87m alt. 44 minutes ago	11° C	Dry	Calm (5 kph at 29).
Alten wx 36 km S 69m alt. 42 minutes ago	12° C	Dry	Calm (5 kph at 101).
Sebastopol 36 km SSW 129m alt. 45 minutes ago	12° C	Dry	Calm (3 kph at 113).
Camp Meeker wx 37 km SSW 61m alt. 44 minutes ago	10° C	Dry	Light winds from the E (6 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	9° C	Dry	Calm (5 kph at 71).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 38 minutes ago	10° C	Dry	Calm (0 kph at 322).

* 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.