– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Fri 27 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 27 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light.										Days 5–7 Weather Summary Some drizzle, heaviest during Wed night. Very mild (max 11°C on Mon night, min 3°C on Wed night). Winds decreasing (strong winds from the WSW on Wed night, light winds from the ENE by Thu afternoon).
		Saturday 28			Sunday 29			Monday 30			Tuesday 31			Wednesday 1			Thursday 2
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	clear	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	cloudy	some clouds	some clouds	light rain	rain shwrs	clear	clear	clear
km/h	W	N	NNE	WNW	WNW	W	WNW	WNW	W	WNW	WSW	W	W	WSW	WSW	WSW	NNW	ENE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	1.1	—	—	—
max °C	16	16	17	16	15	16	15	12	12	11	8	7	7	5	6	5	4	7	8
min °C	15	15	16	15	15	15	12	12	12	9	8	7	6	5	6	3	3	5	6
chill °C	15	15	16	15	14	14	9	10	10	6	5	3	2	0	2	-3	-2	3	2

Freezing level m	3900	3700	3650	3550	3450	3500	3350	3150	3100	2800	2600	2600	2550	2450	2700	2550	2200	2950	3350
Cloud base (m)	6250	9050	9350	6050	9000	7150	6700	3500	5600	3050	1850	1750	2300	850	650	400		2300

	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:54	—	—
	—	—	7:29	—	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:34	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Wed night. Very mild (max 11°C on Mon night, min 3°C on Wed night). Winds decreasing (strong winds from the WSW on Wed night, light winds from the ENE by Thu afternoon).

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	11° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 41 minutes ago	10° C	Dry	Calm (0 kph at 63).
Cloverdale 34 km W 106m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 166).
Graton 35 km SSW 87m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 252).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 284).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	8° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 15).

* 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.