– Lat/Long: 38.67° N 122.63° W

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

Issued: 4 pm Sat 09 May 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 21°C on Mon afternoon, min 18°C on Sat afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 19°C on Tue afternoon, min 2°C on Wed night). Mainly fresh winds.
	Sat 9		Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	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	some clouds	clear	clear	rain shwrs	rain shwrs	rain shwrs	clear
km/h	NW	SW	S	WNW	SE	SE	S	SE	SSE	SW	SW	SSW	SSW	WSW	NW	NW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	0.7	0.1	0.1	—
max °C	19	19	19	20	20	20	21	21	19	19	18	12	10	8	4	8	11
min °C	18	18	18	19	18	19	20	19	19	19	14	12	10	2	4	6	9
chill °C	18	18	18	19	18	19	20	19	19	18	13	10	8	-3	0	4	7

Freezing level m	4400	4450	4500	4500	4450	4400	4450	4350	4350	4300	3950	3500	3100	2050	2200	3150	3500
Cloud base (m)					9200	9550								1750	700	900

	—	—	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 18°C on Sat afternoon). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Tue afternoon, min 2°C on Wed night). Mainly fresh winds.

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	16° C	Clear	Light winds from the S (13 kph at 170).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 51).
Cloverdale 34 km W 106m alt. 58 minutes ago	18° C	Dry	Calm (2 kph at 331).
Graton 35 km SSW 87m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 117).
Sebastopol 36 km SSW 129m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 26).
Camp Meeker wx 37 km SSW 61m alt. 45 minutes ago	13° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 355).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	14° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 49 minutes ago	16° C	Dry	Calm (0 kph at 4).

* 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.