– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Fri 13 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Fri 13 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow heaviest on Sun afternoon. Turning milder with heavy rain (total 21mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 8°C on Fri morning, min 0°C on Sun night). Winds increasing (calm on Fri night, gales from the S by Sun morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Wed night, min -4°C on Mon night). Winds decreasing (severe gales from the W on Mon afternoon, light winds from the NE by Tue night).
	Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	cloudy	light rain	light rain	mod. snow	heavy snow	light snow	light snow	light snow	mod. snow	light snow	snow shwrs	mod. snow	light snow	clear	clear
km/h	W	NW	SSW	S	S	S	S	S	SSW	SW	SSW	WSW	WSW	WSW	SSW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	7	11	1	2	3	8	2	3	10	1	—	—
mm	—	—	—	—	0.1	4	3	14	—	—	—	—	—	—	—	—	—	—
max °C	8	8	8	6	4	3	3	2	1	0	0	-3	-3	-4	-3	-3	0	1
min °C	7	7	6	5	2	2	2	2	0	-1	-2	-4	-4	-4	-3	-4	-2	-2
chill °C	6	5	2	0	-5	-6	-4	-4	-6	-7	-12	-15	-14	-14	-11	-13	-9	-8

Freezing level m	2850	2750	2700	2400	2000	1700	1850	1700	1400	1200	1350	850	800	850	800	750	1100	1200
Cloud base (m)	8350	7050	6950	6700	800	550	350	300	350	350	350	400	450	450	400	400	1450	400

	7:03	—	—	7:01	—	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—
	—	5:45	—	—	5:46	—	—	5:47	—	—	5:49	—	—	5:50	—	—	5:51	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A moderate fall of snow heaviest on Sun afternoon. Turning milder with heavy rain (total 21mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 8°C on Fri morning, min 0°C on Sun night). Winds increasing (calm on Fri night, gales from the S by Sun morning).

Mount Saint Helena Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Wed night, min -4°C on Mon night). Winds decreasing (severe gales from the W on Mon afternoon, light winds from the NE by Tue 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 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	Fog patches -.	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 47 minutes ago	12° C	Dry	Calm (0 kph at 165).
Cloverdale 34 km W 106m alt. 55 minutes ago	11° C	Dry	Wind obs. (10 kph from 331 degs) was rejected.
Graton 35 km SSW 87m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 81).
Sebastopol 36 km SSW 129m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 319).
Camp Meeker wx 37 km SSW 61m alt. 55 minutes ago	12° C	Dry	Calm (2 kph at 113).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 357).
Knowles Corner wx 37 km S 88m alt. 48 minutes ago	7° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 342).

* 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.