– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Wed 13 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 13 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 18°C on Thu afternoon, min 11°C on Fri night). Winds increasing (calm on Thu morning, near gales from the NW by Fri night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 18°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light.
	Wed 13		Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18
	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
km/h	N	NNE	WNW	WNW	NNE	NW	NW	NW	N	NNW	N	NNE	NW	NNW	N	W	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	15	16	18	18	15	17	17	11	13	14	12	16	16	15	18	17
min °C	14	14	15	17	15	14	17	11	11	13	12	12	15	15	15	17	17
chill °C	13	14	15	17	14	14	17	8	8	12	12	10	14	15	14	17	17

Freezing level m	4000	4100	4050	4150	3900	3800	3850	3650	3300	3550	3750	3900	4100	4000	3950	4150	4300
Cloud base (m)					8750			6950	8750	8750	9500	9050

	—	—	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 11°C on Fri night). 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 18°C on Mon afternoon, min 12°C on Sat night). 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	22° C	Clear	Wind obs. (9 kph from 150 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 34 minutes ago	18° C	Dry	Calm (0 kph at 67).
Cloverdale 34 km W 106m alt. 1 hour ago	21° C	Dry	Calm (5 kph at 22).
Graton 35 km SSW 87m alt. 25 minutes ago	20° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 180).
Sebastopol 36 km SSW 129m alt. 2 hours ago	20° C	Dry	Calm (0 kph at 14).
Camp Meeker wx 37 km SSW 61m alt. 27 minutes ago	17° C	Dry	Calm (3 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	17° C	Dry	Calm (0 kph at 313).
Knowles Corner wx 37 km S 88m alt. 38 minutes ago	18° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 58 minutes ago	16° C	Dry	Calm (0 kph at 275).

* 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.