– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Mon 16 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 16 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 22mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 6°C on Wed morning, min -1°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, calm by Wed afternoon).										Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 11°C on Sun morning, min 1°C on Thu night). Wind will be generally light.
		Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	mod. rain	snow shwrs	some clouds	some clouds	light rain	cloudy	light rain	rain shwrs	clear	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	rain shwrs	light rain	mod. rain
km/h	W	WSW	WSW	WNW	WNW	WSW	SE	ESE	NW	N	SSE	S	SE	SE	SSE	SSE	SSE	S	S
See all weather maps
cm	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	9	9	1.9	—	—	0.2	—	1.6	0.2	—	—	—	—	—	—	—	0.1	2	10
max °C	5	4	3	0	6	6	2	3	3	1	5	6	2	7	7	5	11	10	10
min °C	3	3	1	-1	3	3	1	2	2	1	4	3	1	5	5	5	9	10	9
chill °C	-3	-2	-4	-6	0	2	-1	-1	-2	-2	2	2	1	2	2	2	6	7	7

Freezing level m	950	1050	900	450	900	1150	800	900	900	850	1100	1150	800	1200	1350	1600	2200	2350	2550
Cloud base (m)	700	350	500	500	700	1600	2350	750	400	400	6150	900	750	750	750	900	850	600	400

	—	6:58	—	—	6:56	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—
	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—	—	5:54	—	—	5:55	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 22mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 6°C on Wed morning, min -1°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, calm by Wed afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 11°C on Sun 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. 2 hours ago	7° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 50 minutes ago	8° C	Dry	Calm (0 kph at 162).
Cloverdale 34 km W 106m alt. 53 minutes ago	4° C	Dry	Calm (0 kph at 288).
Graton 35 km SSW 87m alt. 22 minutes ago	6° C	Dry	Calm (5 kph at 38).
Alten wx 36 km S 69m alt. 28 minutes ago	6° C	Dry	Calm (0 kph at 140).
Sebastopol 36 km SSW 129m alt. 55 minutes ago	5° C	Dry	Calm (3 kph at 12).
Camp Meeker wx 37 km SSW 61m alt. 50 minutes ago	6° C	Dry	Calm (3 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 247).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 113).
Camp Meeker wx 39 km SSW 61m alt. 21 minutes ago	6° C	Dry	Calm (0 kph at 4).

* 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.