– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Sun 19 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 19 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 33mm), heaviest during Tue afternoon. Very mild (max 10°C on Sun night, min 2°C on Tue afternoon). Winds decreasing (gales from the S on Mon morning, light winds from the S by Tue afternoon).											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 9°C on Fri afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, calm by Thu night).
	Sun 19		Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	3100	2950	2450	2400	1850	1850	1750	1650	1600	2000	2350	3100	3200	2850	2450	2600	2650
Cloud base (m)	5200		450	350	500	600	400	500	500	900			8700			2350

	—	—	6:26	—	—	6:26	—	—	6:24	—	—	6:22	—	—	6:22	—	—
	7:50	—	—	7:51	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 33mm), heaviest during Tue afternoon. Very mild (max 10°C on Sun night, min 2°C on Tue afternoon). Winds decreasing (gales from the S on Mon morning, light winds from the S by Tue afternoon).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Fri afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, calm by Thu 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	18° C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Santa Rosa 30 km S 40m alt. 35 minutes ago	15° C	Dry	Calm (0 kph at 144).
Cloverdale 34 km W 106m alt. 2 hours ago	18° C	Dry	Calm (3 kph at 244).
Graton 35 km SSW 87m alt. 35 minutes ago	12° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 172).
Sebastopol 36 km SSW 129m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 194).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	14° C	Dry	Calm (5 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 50 minutes ago	11° C	Dry	Calm (2 kph at 245).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	13° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 31 minutes ago	12° C	Dry	Calm (0 kph at 335).

* 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.