– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Fri 22 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 22 May 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 19°C on Fri afternoon, min 14°C on Mon morning). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 14°C on Mon afternoon, min 6°C on Mon night). Winds decreasing (strong winds from the WNW on Mon night, calm by Wed afternoon).
	Fri 22		Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	some clouds	clear
km/h	WSW	WNW	S	SSW	SSW	S	SW	SSW	SSW	WSW	WNW	NW	NW	NNE	NW	W	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	19	18	16	17	17	16	17	16	14	14	12	6	8	7	9	12	12
min °C	19	17	16	16	15	15	17	15	14	13	6	6	8	6	8	12	12
chill °C	19	17	16	16	14	14	16	14	13	11	1	1	4	2	5	12	11

Freezing level m	4050	4000	3950	3950	3850	3750	3850	3800	3800	3900	3300	2350	2550	2350	2600	2750	2900
Cloud base (m)								9050		9100	2400	600	2050	2200		2550

	—	—	5:52	—	—	5:52	—	—	5:50	—	—	5:50	—	—	5:50	—	—
	—	8:21	—	—	8:22	—	—	8:22	—	—	8:22	—	—	8:23	—	—	8:24

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 19°C on Fri afternoon, min 14°C on Mon morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Mon afternoon, min 6°C on Mon night). Winds decreasing (strong winds from the WNW on Mon night, calm by Wed 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. 3 hours ago	15° C	Clear	Moderate winds from the SSE (22 kph at 160).	16 km
Santa Rosa 30 km S 40m alt. 52 minutes ago	13° C	Dry	Calm (0 kph at 144).
Cloverdale 34 km W 106m alt. 1 hour ago	15° C	Dry	Calm (5 kph at 157).
Graton 35 km SSW 87m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 34).
Alten wx 36 km S 69m alt. 57 minutes ago	12° C	Dry	Calm (3 kph at 144).
Sebastopol 36 km SSW 129m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 144).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 241).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	12° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 52).

* 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.