– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Fri 13 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 13 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 46mm), heaviest during Sun afternoon. Very mild (max 11°C on Sat morning, min 5°C on Mon afternoon). Winds decreasing (fresh winds from the S on Sun morning, calm by Sun night).										Days 5–7 Weather Summary Moderate rain (total 17mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 8°C on Thu afternoon, min 0°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Thu morning).
		Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	light rain	light rain	heavy rain	heavy rain	light rain	rain shwrs	rain shwrs	mod. rain	light snow	clear	rain shwrs	rain shwrs	some clouds	clear	clear	clear
km/h	SSE	S	S	S	SSE	S	SSE	NNE	WNW	W	WSW	WSW	WNW	WNW	WNW	NNE	N	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—
mm	—	—	—	3	4	21	11	4	1.9	4	10	3	—	0.1	0.4	—	—	—	—
max °C	10	11	10	8	9	9	7	7	6	4	4	4	1	6	5	3	7	8	3
min °C	8	9	8	7	8	7	6	6	5	2	4	2	0	4	3	1	4	4	2
chill °C	7	7	5	4	4	4	4	4	0	-3	-1	-3	-6	0	0	-1	4	2	-2

Freezing level m	2650	2400	1950	1700	1850	1900	1600	1400	1400	900	1100	1000	500	950	1100	900	1100	1350	1500
Cloud base (m)	6700	850	750	500	350	350	350	400	300	400	350	300	350	500	800	2550	450	950	700

	—	7:01	—	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:56	—	—
	—	—	5:46	—	—	5:47	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 46mm), heaviest during Sun afternoon. Very mild (max 11°C on Sat morning, min 5°C on Mon afternoon). Winds decreasing (fresh winds from the S on Sun morning, calm by Sun night).

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 17mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 8°C on Thu afternoon, min 0°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Thu morning).

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. 2 hours ago	7° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 54 minutes ago	8° C	Dry	Calm (0 kph at 52).
Cloverdale 34 km W 106m alt. 47 minutes ago	8° C	Dry	Calm (3 kph at 330).
Graton 35 km SSW 87m alt. 54 minutes ago	6° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 49 minutes ago	7° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 39 minutes ago	8° C	Dry	Calm (0 kph at 311).
Camp Meeker wx 37 km SSW 61m alt. 51 minutes ago	7° C	Dry	Calm (0 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 59 minutes ago	7° C	Dry	Calm (0 kph at 329).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	9° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago		Dry	Calm (2 kph at 126).

* 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.