– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 19 Aug Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Warm (max 25°C on Wed afternoon, min 18°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 23°C on Sun afternoon, min 20°C on Sat night). Wind will be generally light.
	Wed 19		Thursday 20			Friday 21			Saturday 22			Sunday 23			Monday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear
Cloud base (m)			7000	6200		5650	5750			9550	9200	8450
km/h	WSW	WNW	SW	WSW	SW	SSW	SW	WSW	W	WSW	ENE	SE	SSW	SSW	S	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	24	23	24	23	22	22	20	19	21	20	20	23	22	21	22	21
min °C	23	22	22	24	21	21	21	18	18	21	20	20	23	21	20	21	20
chill °C	23	22	22	24	21	21	21	17	18	21	20	20	23	21	20	21	20

Freezing level m	4950	4900	4850	4800	4800	4650	4600	4650	4550	4600	4650	4600	4650	4500	4500	4600	4700

	—	—	6:28	—	—	6:28	—	—	6:30	—	—	6:31	—	—	6:31	—	—
	7:59	—	—	7:58	—	—	7:57	—	—	7:54	—	—	7:53	—	—	7:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 25°C on Wed afternoon, min 18°C on Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 23°C on Sun afternoon, min 20°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. 3 hours ago	29° C	Clear	Light winds from the S (15 kph at 170).	16 km
Cloverdale 34 km W 106m alt. 1 hour ago	33° C	Dry	Light winds from the SSW (8 kph at 213).
Graton 35 km SSW 87m alt. 2 hours ago	28° C	Dry	Calm (2 kph at 28).
Alten wx 36 km S 69m alt. 2 hours ago	26° C	Dry	Calm (3 kph at 95).
Sebastopol 36 km SSW 129m alt. 1 hour ago	23° C	Dry	Calm (5 kph at 181).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	29° C	Dry	Light winds from the SSW (10 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	26° C	Dry	Calm (5 kph at 254).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	25° C	Dry	Light winds from the W (6 kph at 270).
Camp Meeker wx 39 km SSW 61m alt. 37 minutes ago	23° C	Dry	Calm (0 kph at 47).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	23° C	Dry	Calm (5 kph at 306).

* 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.