– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Thu 12 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 12 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 15mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Fri afternoon, min 2°C on Sat night). Winds increasing (calm on Fri night, gales from the S by Sun afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Mon night). Winds decreasing (severe gales from the SW on Mon night, light winds from the NW by Tue night).
		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	cloudy	cloudy	light rain	light rain	mod. rain	heavy snow	mod. snow	mod. snow	mod. snow	light snow	light snow	snow shwrs	some clouds	snow shwrs	clear
km/h	NNE	W	WNW	SSW	S	S	S	SSE	S	SSW	ESE	WNW	SW	SW	WSW	SSW	NW	WNW	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	18	6	7	8	2	4	3	—	1	—
mm	—	—	—	—	—	—	1.1	4	10	—	—	—	—	—	—	—	—	—	—
max °C	7	7	8	8	6	4	3	3	4	1	1	-1	-1	-3	-3	-3	-2	-2	-1
min °C	7	7	8	6	5	3	2	3	3	1	0	-1	-4	-4	-3	-4	-3	-2	-2
chill °C	4	6	6	3	0	-4	-5	-5	-5	-6	-5	-8	-14	-14	-12	-8	-9	-7	-4

Freezing level m	2500	2800	2800	2700	2450	2100	1700	1800	1900	1550	1500	1200	1050	900	800	750	900	1100	1000
Cloud base (m)		8300		6950	6750		550	350	350	300	300	300	350	550	450	400	600	750

	—	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: Moderate rain (total 15mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Fri afternoon, min 2°C on Sat night). Winds increasing (calm on Fri night, gales from the S by Sun afternoon).

Mount Saint Helena Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Mon night). Winds decreasing (severe gales from the SW on Mon night, light winds from the NW 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 -.	Calm (0 kph at 0).	1 km
Santa Rosa 30 km S 40m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 169).
Cloverdale 34 km W 106m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 0).
Graton 35 km SSW 87m alt. 43 minutes ago	6° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 44 minutes ago	8° C	Dry	Calm (0 kph at 145).
Sebastopol 36 km SSW 129m alt. 59 minutes ago	7° C	Dry	Calm (0 kph at 319).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 267).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	6° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 43 minutes ago	6° C	Dry	Calm (0 kph at 354).

* 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.