– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Wed 17 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 17 Sep 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 32°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 4mm), mostly falling on Tue morning. Warm (max 31°C on Mon afternoon, min 15°C on Tue morning). Wind will be generally light.
	Wed 17		Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
km/h	WSW	W	SSW	SSW	S	SSE	S	NE	ESE	SW	NW	SE	SSW	NE	E	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.5	0.4	0.1	—	—	—	—	—	—	—	—	—	—	—	—
max°C	32	25	24	26	19	21	24	18	22	25	19	24	28	22	27	31	24
min°C	31	22	20	25	16	16	23	16	17	25	18	18	28	21	21	30	20
chill°C	31	22	20	25	16	16	23	16	17	25	18	18	28	21	21	30	20

Freezing level (m)	4550	4500	4400	4350	4150	3850	4050	3950	4000	4100	4150	4400	4550	4600	4650	4650	4550
Cloud base (m)		6650	6500	6000		4150	5050	4450									6300

	—	—	6:54	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	7:15	—	—	7:14	—	—	7:12	—	—	7:10	—	—	7:08	—	—	7:07	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 32°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 4mm), mostly falling on Tue morning. Warm (max 31°C on Mon afternoon, min 15°C on Tue morning). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	27° C	Dry and partly cloudy.	Light winds from the SSE (9 kph at 160).	16 km Low: scattered
Santa Rosa 25 km S 56m alt. 2 hours ago		Dry	Calm (0 kph at 65).
Santa Rosa 30 km S 40m alt. 2 hours ago	23° C	Dry	Calm (0 kph at 45).
Cloverdale 34 km W 106m alt. 1 hour ago	31° C	Dry	Calm (2 kph at 61).
Graton 35 km SSW 87m alt. 49 minutes ago	22° C	Dry	Calm (0 kph at 261).
Alten wx 36 km S 69m alt. 52 minutes ago	19° C	Dry	Calm (2 kph at 106).
Sebastopol 36 km SSW 129m alt. 2 hours ago	22° C	Dry	Calm (0 kph at 198).
Guerneville wx 36 km SW 18m alt. 57 minutes ago	22° C	Dry	Calm (0 kph at 154).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	24° C	Dry	Calm (5 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 45 minutes ago	22° C	Dry	Calm (0 kph at 302).

* 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.