– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Mon 20 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 20 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 31mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Tue afternoon. Mild temperatures (max 6°C on Mon afternoon, min 1°C on Tue night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the NNW by Thu morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 10°C on Fri afternoon, min 7°C on Sat afternoon). Wind will be generally light.
	Mon 20		Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	heavy rain	light rain	light snow	clear	clear	rain shwrs	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
km/h	SSW	SSW	SSW	W	W	WSW	W	NNE	NNW	NW	NE	NE	WSW	SW	SSE	W	W
See all weather maps
cm	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	11	15	3	1.7	—	—	0.2	0.2	—	—	—	—	—	—	—	—	—
max °C	6	4	3	3	2	2	4	3	5	9	9	8	10	9	8	8	9
min °C	6	3	3	2	1	2	4	3	4	8	8	8	10	9	8	7	8
chill °C	0	-3	-2	-4	-5	-2	1	-2	1	7	8	6	10	9	7	6	7

Freezing level m	2450	1800	1800	1600	1600	1600	1900	1950	2850	3200	3200	3150	3200	2900	2750	2700	2850
Cloud base (m)	350	350	650	500	400	1700	1550	2100		2050	9050	8700	1900	300	350		450

	—	—	6:26	—	—	6:24	—	—	6:22	—	—	6:22	—	—	6:20	—	—
	7:51	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 31mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Tue afternoon. Mild temperatures (max 6°C on Mon afternoon, min 1°C on Tue night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the NNW by Thu morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Fri afternoon, min 7°C on Sat afternoon). Wind will be generally light.

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	Light rain .	Light winds from the NE (9 kph at 50).	6 km Mid: scattered High: broken
Santa Rosa 30 km S 40m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 351).
Cloverdale 34 km W 106m alt. 3 hours ago	11° C	Dry	Calm (0 kph at 228).
Graton 35 km SSW 87m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 180).
Sebastopol 36 km SSW 129m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 185).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	10° C	Dry	Calm (2 kph at 85).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	12° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 349).

* 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.