– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Thu 11 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 11 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 18°C on Thu morning, min 12°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 6mm), mostly falling on Tue night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds increasing (light winds from the SSW on Sun afternoon, gales from the WSW by Tue night).
	Thursday 11			Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16
	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	some clouds	some clouds	some clouds	some clouds	clear	some clouds	cloudy	light rain	rain shwrs
km/h	N	NNW	N	NNE	NNE	ENE	ESE	SE	SSW	S	SSW	WSW	WNW	NW	WNW	W	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.2	6
max°C	18	18	18	18	18	17	14	14	13	14	14	14	15	13	13	12	11	10
min°C	18	18	17	18	17	14	14	14	12	13	14	13	14	13	12	11	11	6
chill°C	18	18	17	18	16	13	14	14	12	13	14	12	13	11	9	8	7	1

Freezing level (m)	4200	4200	4200	4150	4100	4000	3900	3800	3750	3750	3850	3900	4000	3900	3750	3500	3700	3050
Cloud base (m)										9050	7000	6500	6650	6350	4650	2300	500	350

	7:18	—	—	7:18	—	—	7:18	—	—	7:20	—	—	7:20	—	—	7:20	—	—
	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:50	—	—	4:50	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 18°C on Thu morning, min 12°C on Sat night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 6mm), mostly falling on Tue night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds increasing (light winds from the SSW on Sun afternoon, gales from the WSW 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	5° C	Mist -.	Wind obs. (6 kph from 10 degs) was rejected.	1 km
Santa Rosa 30 km S 40m alt. 45 minutes ago	6° C	Dry	Calm (0 kph at 53).
Cloverdale 34 km W 106m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 12).
Graton 35 km SSW 87m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 90).
Sebastopol 36 km SSW 129m alt. 3 hours ago	6° C	Dry	Calm (0 kph at 121).
Guerneville wx 36 km SW 18m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 160).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	4° C	Dry	Calm (3 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 344).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 315).

* 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.