– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Tue 25 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 25 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 19°C on Fri morning). Winds increasing (light winds from the W on Wed morning, fresh winds from the WSW by Wed night).											Days 5–7 Weather Summary Mostly dry. Warm (max 21°C on Sat afternoon, min 15°C on Mon morning). Wind will be generally light.
	Tue 25		Wednesday 26			Thursday 27			Friday 28			Saturday 29			Sunday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	6950	9100	9000	9100	9400		8500		4850
km/h	SW	WSW	SW	WSW	WSW	W	WSW	W	S	SW	W	SSW	WSW	E	ESE	SW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	21	22	25	23	22	24	23	20	20	19	19	21	20	18	20	19
min °C	21	20	21	24	22	22	24	21	19	20	19	18	20	19	18	19	16
chill °C	21	20	21	24	22	22	24	21	19	20	19	18	20	19	18	19	16

Freezing level m	4600	4650	4600	4700	4650	4600	4600	4550	4300	4350	4450	4350	4350	4350	4250	4250	4150

	—	—	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—	6:37	—	—
	7:51	—	—	7:50	—	—	7:47	—	—	7:46	—	—	7:45	—	—	7:44	—

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 19°C on Fri morning). Winds increasing (light winds from the W on Wed morning, fresh winds from the WSW by Wed night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 21°C on Sat afternoon, min 15°C on Mon morning). 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	Light winds from the SSE (19 kph at 160).	16 km
Cloverdale 34 km W 106m alt. 28 minutes ago	33°C	Dry	Calm (5 kph at 227).
Graton 35 km SSW 87m alt. 56 minutes ago	28°C	Dry	Calm (3 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	27°C	Dry	Light winds from the SSW (6 kph at 201).
Sebastopol 36 km SSW 129m alt. 1 hour ago	26°C	Dry	Calm (2 kph at 242).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	30°C	Dry	Light winds from the WSW (8 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	26°C	Dry	Wind obs. (6 kph from 284 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 33 minutes ago	25°C	Dry	Calm (2 kph at 338).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 328).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	27°C	Dry	Calm (2 kph at 320).

* 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.