– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Wed 13 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 13 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 18°C on Thu afternoon, min 12°C on Wed morning). Winds increasing (calm on Thu morning, near gales from the NW by Fri night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 16°C on Mon afternoon, min 11°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, calm by Mon morning).
	Wednesday 13			Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18
	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	NNW	N	NNE	WNW	WNW	NNE	NW	NW	N	N	NNW	N	NNE	NW	NW	NNW	NW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	13	15	15	16	18	18	15	18	18	11	12	14	11	15	15	13	16	16
min °C	12	14	15	15	17	15	15	17	14	11	12	11	11	14	14	13	16	16
chill °C	10	13	14	15	17	14	15	17	11	8	10	10	9	13	13	12	16	16

Freezing level m	3900	4050	4100	4100	4200	3900	3900	3900	3500	3400	3500	3750	3950	4050	3900	3700	3900	4000
Cloud base (m)						9150			8500	8550	8650		9300

	6:00	—	—	5:58	—	—	5:58	—	—	5:58	—	—	5:56	—	—	5:56	—	—
	—	—	8:13	—	—	8:14	—	—	8:15	—	—	8:15	—	—	8:16	—	—	8:17

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Wed morning). Winds increasing (calm on Thu morning, near gales from the NW by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Mon afternoon, min 11°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, calm by Mon morning).

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	23° C	Clear	Light winds from the NW (15 kph at 320).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	24° C	Dry	Calm (3 kph at 157).
Cloverdale 34 km W 106m alt. 55 minutes ago	24° C	Dry	Wind obs. (10 kph from 11 degs) was rejected.
Graton 35 km SSW 87m alt. 2 hours ago	22° C	Dry	Calm (5 kph at 36).
Alten wx 36 km S 69m alt. 2 hours ago	23° C	Dry	Calm (3 kph at 201).
Sebastopol 36 km SSW 129m alt. 2 hours ago	22° C	Dry	Calm (2 kph at 296).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	24° C	Dry	Wind obs. (10 kph from 180 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	21° C	Dry	Calm (5 kph at 262).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	24° C	Dry	Calm (3 kph at 135).
Camp Meeker wx 39 km SSW 61m alt. 38 minutes ago	19° C	Dry	Calm (0 kph at 113).

* 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.