– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Thu 19 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 19 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat night, min -3°C on Thu morning). Winds increasing (calm on Thu night, near gales from the S by Sat night).									Days 4–6 Weather Summary Heavy rain (total 73mm), heaviest during Mon night. Mild temperatures (max 8°C on Mon morning, min 5°C on Sun morning). Winds decreasing (severe gales from the SSW on Mon night, light winds from the WSW by Tue night).
	Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	clear	cloudy	some clouds	some clouds	cloudy	cloudy	rain shwrs	light rain	light rain	some clouds	some clouds	light rain	heavy rain	heavy rain	rain shwrs	some clouds
km/h	NW	NW	NNE	SE	SSW	S	SSE	S	S	SSW	SSW	S	S	SSW	SSW	SW	WSW	WSW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.2	0.4	1	—	—	4	48	19	0.5	—
max °C	-3	-1	-1	-3	-2	-1	0	1	4	5	6	7	8	7	8	7	7	6
min °C	-3	-2	-3	-3	-2	-2	0	1	2	5	6	6	8	7	7	7	7	6
chill °C	-12	-11	-7	-7	-5	-8	-7	-7	-5	-2	0	1	4	1	1	1	3	2

Freezing level m	900	1100	800	950	1100	850	1300	1450	1950	2150	2300	3150	3100	3100	3050	2900	2850	3100
Cloud base (m)	350	500	400	450	700	750	750	750	700	450	400	550	3050	950	350	350	400	450

	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—
	—	5:52	—	—	5:53	—	—	5:54	—	—	5:55	—	—	5:57	—	—	5:58	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat night, min -3°C on Thu morning). Winds increasing (calm on Thu night, near gales from the S by Sat night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 73mm), heaviest during Mon night. Mild temperatures (max 8°C on Mon morning, min 5°C on Sun morning). Winds decreasing (severe gales from the SSW on Mon night, light winds from the WSW 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	12° C	Dry and partly cloudy.	Fresh winds from the NW (30 kph at 320).	16 km Low: broken
Santa Rosa 30 km S 40m alt. 57 minutes ago	12° C	Dry	Wind obs. (8 kph from 254 degs) was rejected.
Cloverdale 34 km W 106m alt. 59 minutes ago	9° C	Dry	Wind obs. (14 kph from 355 degs) was rejected.
Graton 35 km SSW 87m alt. 41 minutes ago	11° C	Dry	Wind obs. (13 kph from 35 degs) was rejected.
Alten wx 36 km S 69m alt. 39 minutes ago	11° C	Dry	Calm (2 kph at 243).
Sebastopol 36 km SSW 129m alt. 54 minutes ago	12° C	Dry	Calm (5 kph at 273).
Camp Meeker wx 37 km SSW 61m alt. 57 minutes ago	14° C	Dry	Calm (5 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	11° C	Dry	Wind obs. (8 kph from 272 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 49 minutes ago	11° C	Dry	Calm (5 kph at 180).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	8° C	Dry	Calm (5 kph at 115).

* 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.