– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Tue 09 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 09 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 16°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 17°C on Fri morning, min 11°C on Sat night). Wind will be generally light.
	Tuesday 9			Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14
	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	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds
km/h	NNW	NNW	N	NNW	N	NNW	NNW	NNW	NNE	NNE	NNE	NE	ESE	SW	SW	S	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	17	17	17	17	17	17	18	18	17	17	17	16	14	13	13	13	13	12
min°C	16	16	16	17	17	16	17	17	16	17	17	14	14	13	11	12	13	12
chill°C	15	15	16	17	16	15	17	17	16	17	17	14	14	13	11	12	13	12

Freezing level (m)	4050	4150	4150	4150	4150	4150	4200	4200	4150	4100	4050	3950	3850	3800	3700	3700	3700	3700
Cloud base (m)															8900	8900		8550

	7:16	—	—	7:16	—	—	7:18	—	—	7:18	—	—	7:18	—	—	7:20	—	—
	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—	—	4:49	—

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 16°C on Tue morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 17°C on Fri morning, min 11°C on Sat night). 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	6° C	Fog -.	Wind obs. (7 kph from 120 degs) was rejected.	1 km
Santa Rosa 30 km S 40m alt. 38 minutes ago	6° C	Dry	Calm (0 kph at 53).
Cloverdale 34 km W 106m alt. 39 minutes ago	5° C	Dry	Calm (0 kph at 321).
Graton 35 km SSW 87m alt. 52 minutes ago	5° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 18 minutes ago	6° C	Dry	Calm (3 kph at 60).
Guerneville wx 36 km SW 18m alt. 36 minutes ago	6° C	Dry	Calm (0 kph at 169).
Camp Meeker wx 37 km SSW 61m alt. 59 minutes ago	4° C	Dry	Calm (3 kph at 338).
Camp Meeker wx 37 km SSW 61m alt. 31 minutes ago	4° C	Dry	Calm (0 kph at 351).
Knowles Corner wx 37 km S 88m alt. 57 minutes ago	6° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 59 minutes ago	6° C	Dry	Calm (2 kph at 145).

* 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.