– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Sat 09 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 09 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 21°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Some drizzle, heaviest during Wed night. Very mild (max 19°C on Tue morning, min 4°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the NNE by Thu night).
	Saturday 9			Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	AM	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	rain shwrs	light rain	rain shwrs	clear
km/h	N	WNW	WSW	SSE	WNW	SE	SE	S	SSE	SSE	SW	SW	SW	SW	W	N	NW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	0.3	0.1	—
max °C	17	19	19	18	19	20	20	21	21	19	19	17	12	11	8	5	9	12
min °C	16	18	18	18	19	19	19	20	19	18	19	13	11	10	4	4	7	10
chill °C	16	18	18	18	19	19	19	20	19	17	18	11	9	8	0	0	4	7

Freezing level m	4200	4400	4500	4500	4500	4450	4400	4450	4350	4300	4250	3900	3450	3000	2200	2500	3100	3750
Cloud base (m)						9300	9500	9550	9450	9300	9250	4800			500	400	650

	6:03	—	—	6:03	—	—	6:01	—	—	6:01	—	—	6:00	—	—	5:58	—	—
	—	—	8:08	—	—	8:09	—	—	8:10	—	—	8:12	—	—	8:13	—	—	8:14

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 21°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Wed night. Very mild (max 19°C on Tue morning, min 4°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the NNE by Thu night).

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	11° C	Clear	Light winds from the SE (6 kph at 140).	13 km
Santa Rosa 30 km S 40m alt. 56 minutes ago	18° C	Dry	Calm (0 kph at 68).
Cloverdale 34 km W 106m alt. 33 minutes ago	19° C	Dry	Calm (3 kph at 355).
Graton 35 km SSW 87m alt. 36 minutes ago	17° C	Dry	Calm (3 kph at 38).
Alten wx 36 km S 69m alt. 49 minutes ago	17° C	Dry	Calm (0 kph at 90).
Sebastopol 36 km SSW 129m alt. 37 minutes ago	13° C	Dry	Calm (0 kph at 143).
Camp Meeker wx 37 km SSW 61m alt. 53 minutes ago	23° C	Dry	Calm (5 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 35 minutes ago	18° C	Dry	Calm (0 kph at 319).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	9° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 30 minutes ago	14° C	Dry	Calm (0 kph at 3).

* 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.