– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Fri 27 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 27 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Some drizzle, heaviest during Sun night. Very mild (max 15°C on Fri morning, min 5°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Tue afternoon, min 5°C on Mon morning). Winds increasing (light winds from the N on Mon afternoon, strong winds from the NNW by Tue night).
	Friday 27			Saturday 28			Sunday 1			Monday 2			Tuesday 3			Wednesday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	some clouds	rain shwrs	cloudy	cloudy	clear	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear	some clouds	clear	clear	clear
km/h	NNW	NW	N	S	WSW	SW	WSW	WSW	W	NW	N	NNE	W	WNW	WNW	N	NNW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.3	—	—	—	1	0.1	0.1	—	—	—	—	—	—	—
max °C	15	14	15	14	13	10	8	7	5	6	7	8	8	9	8	8	8	8
min °C	14	14	14	13	11	8	6	6	5	5	7	7	8	8	7	7	7	7
chill °C	12	14	14	12	8	4	2	2	0	2	6	4	6	6	2	2	4	5

Freezing level m	3450	3600	3650	3250	3100	3250	2800	2300	2150	2300	2750	3150	3250	3250	2950	3100	2950	3050
Cloud base (m)	5550	6100	5700		5450	5450	400	800	700	900	1500		9450					9100

	6:45	—	—	6:43	—	—	6:41	—	—	6:41	—	—	6:39	—	—	6:37	—	—
	—	6:00	—	—	6:01	—	—	6:02	—	—	6:04	—	—	6:05	—	—	6:06	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Some drizzle, heaviest during Sun night. Very mild (max 15°C on Fri morning, min 5°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Tue afternoon, min 5°C on Mon morning). Winds increasing (light winds from the N on Mon afternoon, strong winds from the NNW by Tue 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. 3 hours ago	21° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 49 minutes ago	24° C	Dry	Calm (0 kph at 154).
Cloverdale 34 km W 106m alt. 1 hour ago	23° C	Dry	Calm (2 kph at 347).
Graton 35 km SSW 87m alt. 1 hour ago	24° C	Dry	Calm (3 kph at 32).
Alten wx 36 km S 69m alt. 2 hours ago	24° C	Dry	Calm (0 kph at 114).
Sebastopol 36 km SSW 129m alt. 2 hours ago	21° C	Dry	Calm (0 kph at 189).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	28° C	Dry	Calm (5 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	23° C	Dry	Calm (2 kph at 263).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	19° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 303).

* 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.