– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Thu 05 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 05 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 13°C on Thu night, min 8°C on Sun afternoon). Winds increasing (light winds from the WSW on Fri morning, fresh winds from the W by Sun afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Tue afternoon. Mild temperatures (max 9°C on Mon morning, min 1°C on Mon night). Mainly fresh winds.
		Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	rain shwrs	some clouds	some clouds	light snow	light snow	snow shwrs	clear	some clouds	some clouds	some clouds
km/h	S	WSW	WSW	SSW	W	WNW	WNW	W	W	NW	ENE	NNE	E	S	WSW	NW	NE	NE	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	1	2	2	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	0.3	—	—	0.1	—	—	—	—	—	—
max °C	13	12	11	11	10	11	11	10	9	7	9	9	7	1	2	3	5	6	5
min °C	11	12	11	10	10	11	10	9	8	7	8	9	1	1	1	1	4	5	5
chill °C	10	11	10	9	8	10	9	6	4	3	5	7	-3	-3	-3	-3	0	1	1

Freezing level m	2900	2750	2750	2850	2850	3050	3250	3150	3250	2800	2600	2600	2200	1500	1500	1700	2100	2250	2350
Cloud base (m)	5150	3450	7550	8700	5700	3500		3100	750	500	5650	5000	4200	500	350	750			6550

	—	7:11	—	—	7:09	—	—	7:09	—	—	7:07	—	—	7:07	—	—	7:05	—	—
	—	—	5:37	—	—	5:38	—	—	5:39	—	—	5:40	—	—	5:42	—	—	5:44	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 13°C on Thu night, min 8°C on Sun afternoon). Winds increasing (light winds from the WSW on Fri morning, fresh winds from the W by Sun afternoon).

Mount Saint Helena Weather (Days 3-6):

A light covering of new snow mostly falling on Tue afternoon. Mild temperatures (max 9°C on Mon morning, min 1°C on Mon 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. 2 hours ago	9° C	Clear	Wind obs. (7 kph from 320 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 26 minutes ago	10° C	Dry	Calm (0 kph at 60).
Cloverdale 34 km W 106m alt. 34 minutes ago	11° C	Dry	Calm (0 kph at 123).
Graton 35 km SSW 87m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 145).
Sebastopol 36 km SSW 129m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 296).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	10° C	Dry	Calm (0 kph at 293).
Knowles Corner wx 37 km S 88m alt. 36 minutes ago	7° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago		Dry	Calm (0 kph at 133).

* 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.