– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Thu 16 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 16 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 11°C on Sat afternoon, min 4°C on Thu morning). Winds decreasing (strong winds from the NNE on Thu night, calm by Fri night).									Days 4–6 Weather Summary Heavy rain (total 36mm), heaviest during Tue night. Mild temperatures (max 9°C on Sun morning, min 3°C on Tue night). Winds decreasing (strong winds from the S on Mon night, light winds from the SSE by Tue night).
	Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	light rain	heavy rain	heavy rain
km/h	NNE	N	N	N	N	E	E	S	S	S	S	S	S	S	S	SSE	SSE	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5	13	18
max °C	6	8	8	8	10	10	10	11	11	9	9	9	7	8	8	6	6	5
min °C	4	8	7	8	9	9	10	10	10	9	8	7	6	8	7	5	5	3
chill °C	-1	6	3	4	9	8	10	10	7	5	5	2	1	4	2	0	0	-2

Freezing level m	2650	2850	3100	3200	3350	3300	3350	3300	3200	2900	2900	2900	2650	2700	2650	2300	2200	1950
Cloud base (m)	9000	9400	9200		6450	7050	5450	5050	5800	4750	5000	5900	2450	1900	2400	700	350	350

	6:33	—	—	6:31	—	—	6:30	—	—	6:28	—	—	6:26	—	—	6:26	—	—
	—	7:47	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:51	—	—	7:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 11°C on Sat afternoon, min 4°C on Thu morning). Winds decreasing (strong winds from the NNE on Thu night, calm by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 36mm), heaviest during Tue night. Mild temperatures (max 9°C on Sun morning, min 3°C on Tue night). Winds decreasing (strong winds from the S on Mon night, light winds from the SSE 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	23° C	Clear	Moderate winds from the NE (24 kph at 40).	16 km
Santa Rosa 30 km S 40m alt. 39 minutes ago	22° C	Dry	Wind obs. (29 kph from 288 degs) was rejected.
Cloverdale 34 km W 106m alt. 42 minutes ago	22° C	Dry	Wind obs. (8 kph from 273 degs) was rejected.
Graton 35 km SSW 87m alt. 3 hours ago	21° C	Dry	Calm (5 kph at 34).
Alten wx 36 km S 69m alt. 2 hours ago	22° C	Dry	Calm (0 kph at 195).
Sebastopol 36 km SSW 129m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 172).
Camp Meeker wx 37 km SSW 61m alt. 36 minutes ago	24° C	Dry	Light winds from the SW (6 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 291).
Camp Meeker wx 39 km SSW 61m alt. 35 minutes ago	16° C	Dry	Calm (0 kph at 321).
Monte Rio wx 40 km SSW 76m alt. 46 minutes ago		Dry	Calm (2 kph at 248).

* 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.