– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Thu 22 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 22 Jan 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 12°C on Thu morning, min 6°C on Fri night). Winds increasing (calm on Thu night, strong winds from the NNE by Fri night).									Days 4–6 Weather Summary Some drizzle, heaviest during Tue night. Mild temperatures (max 7°C on Sun morning, min 4°C on Sun night). Mainly fresh winds.
	Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	light rain
km/h	NE	NW	SSE	NE	NNE	NNE	NNE	NE	ENE	ESE	S	S	S	S	S	SSE	SSE	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1.4
max °C	12	12	11	7	8	8	7	8	9	7	6	5	5	5	6	7	7	6
min °C	12	11	8	7	8	6	7	8	7	7	5	4	5	5	5	7	6	4
chill °C	12	11	8	6	5	1	2	3	3	5	2	-1	0	1	0	3	1	0

Freezing level m	2950	3050	3200	3100	3050	2750	2700	2650	2800	2650	2550	2300	2350	2300	2400	2750	2900	2400
Cloud base (m)	3100									6500	6000		6400	8300	6000	2850	4350	4900

	7:22	—	—	7:22	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:20	—	—
	—	5:21	—	—	5:22	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:25	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 12°C on Thu morning, min 6°C on Fri night). Winds increasing (calm on Thu night, strong winds from the NNE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Tue night. Mild temperatures (max 7°C on Sun morning, min 4°C on Sun night). Mainly fresh winds.

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	18° C	Clear	Wind obs. (13 kph from 150 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	18° C	Dry	Wind obs. (11 kph from 124 degs) was rejected.
Cloverdale 34 km W 106m alt. 40 minutes ago	19° C	Dry	Calm (5 kph at 158).
Graton 35 km SSW 87m alt. 1 hour ago	17° C	Dry	Calm (3 kph at 34).
Alten wx 36 km S 69m alt. 2 hours ago	16° C	Dry	Calm (3 kph at 202).
Sebastopol 36 km SSW 129m alt. 36 minutes ago	14° C	Dry	Calm (2 kph at 169).
Guerneville wx 36 km SW 18m alt. 54 minutes ago		-	Calm (0 kph at 197).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	19° C	Dry	Light winds from the SSW (6 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	16° C	Dry	Calm (3 kph at 264).
Knowles Corner wx 37 km S 88m alt. 52 minutes ago	13° C	Dry	Calm (0 kph at —).

* 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.