– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Fri 15 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 15 May 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 17°C on Fri afternoon, min 9°C on Sun morning). Winds increasing (light winds from the NW on Fri morning, gales from the NNE by Sun night).									Days 4–6 Weather Summary Mostly dry. Warm (max 21°C on Wed afternoon, min 11°C on Mon morning). Winds decreasing (near gales from the NNE on Mon morning, calm by Tue night).
	Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20
	AM	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	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	NW	NNW	NNW	NNW	NNE	NNW	NNE	NNE	NNE	N	NE	SW	WSW	E	ENE	SSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	17	17	11	14	14	10	12	13	13	17	16	16	17	17	18	21	19
min °C	15	17	11	11	13	10	9	11	11	11	15	15	16	17	17	17	20	19
chill °C	15	16	8	8	11	8	8	8	6	6	13	14	16	17	17	16	20	19

Freezing level m	3750	3800	3400	3350	3600	3400	3450	3000	3000	3300	3250	3600	3850	4150	4000	4100	4200	4200
Cloud base (m)			6300		8700	8500	9200

	5:58	—	—	5:58	—	—	5:56	—	—	5:56	—	—	5:54	—	—	5:54	—	—
	—	—	8:15	—	—	8:15	—	—	8:16	—	—	8:17	—	—	8:17	—	—	8:19

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Fri afternoon, min 9°C on Sun morning). Winds increasing (light winds from the NW on Fri morning, gales from the NNE by Sun night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 21°C on Wed afternoon, min 11°C on Mon morning). Winds decreasing (near gales from the NNE on Mon morning, calm by Tue 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	21° C	Clear	Light winds from the W (7 kph at 280).	16 km
Santa Rosa 30 km S 40m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 74).
Cloverdale 34 km W 106m alt. 28 minutes ago	23° C	Dry	Light winds from the WNW (10 kph at 286).
Graton 35 km SSW 87m alt. 1 hour ago	23° C	Dry	Calm (2 kph at 31).
Alten wx 36 km S 69m alt. 34 minutes ago	22° C	Dry	Calm (0 kph at 99).
Sebastopol 36 km SSW 129m alt. 59 minutes ago	22° C	Dry	Calm (0 kph at 158).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	29° C	Dry	Calm (3 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	22° C	Dry	Calm (2 kph at 107).
Knowles Corner wx 37 km S 88m alt. 44 minutes ago	21° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 57 minutes ago	18° C	Dry	Calm (0 kph at 350).

* 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.