– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Sun 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sun 22 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 34mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon morning, min 6°C on Sun afternoon). Winds decreasing (near gales from the SW on Mon night, light winds from the NW by Wed morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Fri morning, min 7°C on Wed afternoon). Wind will be generally light.
	Sun 22		Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	some clouds	cloudy	heavy rain	heavy rain	light rain	rain shwrs	clear	clear	some clouds	clear	clear	some clouds	some clouds	some clouds	rain shwrs
km/h	SSW	SSW	S	S	SSW	WSW	SW	W	WNW	NE	NW	WNW	N	NW	WNW	WNW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.4	0.1	—	—	16	14	3	0.1	—	—	—	—	—	—	—	—	0.5
max °C	7	6	9	9	8	9	9	8	9	9	9	10	11	11	12	12	12
min °C	6	6	8	8	7	9	9	8	8	7	8	10	10	11	11	11	9
chill °C	1	1	5	3	1	5	5	5	7	7	6	10	9	11	10	9	6

Freezing level m	2600	3200	3350	3150	3450	3400	3200	3050	3150	3500	3700	3900	3900	3900	3650	3400	3100
Cloud base (m)	450	450	6150	2850	350	350	350	450	5150			9150	9500		5600	3600	3000

	—	—	6:50	—	—	6:48	—	—	6:48	—	—	6:46	—	—	6:45	—	—
	5:55	—	—	5:57	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:00	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 34mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon morning, min 6°C on Sun afternoon). Winds decreasing (near gales from the SW on Mon night, light winds from the NW by Wed morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Fri morning, min 7°C on Wed afternoon). 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	13° C	Dry and cloudy.	Calm (0 kph at 0).	11 km Low: broken Mid: overcast
Santa Rosa 30 km S 40m alt. 47 minutes ago	14° C	Dry	Calm (0 kph at 207).
Cloverdale 34 km W 106m alt. 49 minutes ago	12° C	Dry	Calm (5 kph at 105).
Graton 35 km SSW 87m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 38).
Alten wx 36 km S 69m alt. 56 minutes ago	12° C	Dry	Calm (0 kph at 172).
Sebastopol 36 km SSW 129m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 180).
Camp Meeker wx 37 km SSW 61m alt. 24 minutes ago	12° C	Dry	Calm (2 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 47 minutes ago	11° C	Dry	Calm (3 kph at 274).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 341).

* 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.