– Lat/Long: 38.67° N 122.63° W

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

Issued: 4 pm Sat 22 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 23°C on Sun afternoon, min 20°C on Sat night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 24°C on Wed afternoon, min 20°C on Tue night). Wind will be generally light.
	Sat 22		Sunday 23			Monday 24			Tuesday 25			Wednesday 26			Thursday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	cloudy	clear	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear
Cloud base (m)	8500	9000			8600	8750			7200	6900		8950	8900	9650
km/h	W	NNW	SSE	SSW	SSW	SSW	SW	SW	SW	SW	W	WSW	WSW	W	W	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	21	21	23	22	21	22	21	21	22	21	21	24	23	22	24	22
min °C	21	20	20	23	21	21	22	20	20	21	20	21	23	21	21	23	22
chill °C	21	20	20	23	21	21	22	20	20	21	20	21	23	21	21	23	22

Freezing level m	4600	4650	4600	4700	4600	4500	4550	4500	4500	4650	4750	4700	4800	4850	4750	4800	4900

	—	—	6:31	—	—	6:31	—	—	6:33	—	—	6:33	—	—	6:33	—	—
	7:54	—	—	7:53	—	—	7:52	—	—	7:51	—	—	7:50	—	—	7:47	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 23°C on Sun afternoon, min 20°C on Sat night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Wed afternoon, min 20°C on Tue 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	30°C	Clear	Moderate winds from the SE (20 kph at 140).	16 km
Cloverdale 34 km W 106m alt. 1 hour ago	34°C	Dry	Light winds from the W (8 kph at 278).
Graton 35 km SSW 87m alt. 1 hour ago	33°C	Dry	Calm (2 kph at 30).
Alten wx 36 km S 69m alt. 1 hour ago	26°C	Dry	Wind obs. (6 kph from 90 degs) was rejected.
Sebastopol 36 km SSW 129m alt. 33 minutes ago	32°C	Dry	Calm (0 kph at 193).
Camp Meeker wx 37 km SSW 61m alt. 24 minutes ago	36°C	Dry	Light winds from the W (8 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	31°C	Dry	Calm (3 kph at 290).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	29°C	Dry	Calm (3 kph at 293).
Camp Meeker wx 39 km SSW 61m alt. 53 minutes ago	26°C	Dry	Calm (0 kph at 301).
Monte Rio wx 40 km SSW 76m alt. 35 minutes ago	28°C	Dry	Calm (2 kph at 311).

* 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.