– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Sat 14 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 14 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 10mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Mon night). Winds decreasing (gales from the S on Sun morning, calm by Sun night).											Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu afternoon, min -4°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, calm by Fri morning).
	Sat 14		Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	light rain	mod. snow	snow shwrs	cloudy	light snow	some clouds	mod. snow	light snow	some clouds	some clouds	light snow	cloudy	some clouds	clear	clear
km/h	S	S	S	S	SSW	ENE	NNE	WNW	WSW	W	WNW	NW	W	WNW	N	NW	NW
See all weather maps
cm	—	—	—	9	3	—	2	—	8	1	—	—	1	—	—	—	—
mm	0.1	4	3	3	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	3	3	4	2	1	1	2	-1	-3	-3	-2	-2	-2	-1	0	-2
min °C	3	2	3	1	1	0	0	-2	-2	-3	-4	-3	-2	-3	-3	-1	-2
chill °C	-2	-5	-5	-6	0	-7	-7	-12	-11	-12	-13	-11	-9	-7	-8	-5	-4

Freezing level m	1850	1750	1850	1950	1600	1500	1400	1400	1100	1000	500	950	1050	950	950	1300	900
Cloud base (m)	500	450	350	350	350	450	700	400	350	350	600	3950	750	500	500	900	800

	—	—	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: Moderate rain (total 10mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Mon night). Winds decreasing (gales from the S on Sun morning, calm by Sun night).

Mount Saint Helena Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu afternoon, min -4°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, calm by Fri morning).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	11° C	Dry and cloudy.	Light winds from the S (9 kph at 170).	16 km Low: scattered Mid: broken High: overcast
Santa Rosa 30 km S 40m alt. 54 minutes ago	11° C	Dry	Calm (0 kph at 60).
Cloverdale 34 km W 106m alt. 41 minutes ago	10° C	Dry	Light winds from the ESE (6 kph at 118).
Graton 35 km SSW 87m alt. 35 minutes ago	9° C	Dry	Calm (0 kph at 29).
Alten wx 36 km S 69m alt. 36 minutes ago	10° C	Dry	Calm (0 kph at 99).
Sebastopol 36 km SSW 129m alt. 34 minutes ago	8° C	Dry	Calm (0 kph at 117).
Camp Meeker wx 37 km SSW 61m alt. 59 minutes ago	9° C	Dry	Calm (2 kph at 180).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	9° C	Dry	Calm (3 kph at 279).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	10° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 358).

* 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.