– Lat/Long: 38.67° N 122.63° W

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

Issued: 3 am Fri 09 Jan 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 15°C on Sun morning, min 7°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Wed morning, min 12°C on Mon night). Wind will be generally light.
	Friday 9			Saturday 10			Sunday 11			Monday 12			Tuesday 13			Wednesday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NE	NE	NE	NE	NE	NNE	N	NW	N	NNE	NE	NE	NE	NNW	NNE	NNE	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	12	12	8	13	12	10	15	15	11	17	17	12	19	19	14	20	19	16
min °C	9	9	7	10	10	9	12	12	10	13	13	12	15	15	13	17	16	15
chill °C	8	8	6	10	10	8	12	11	9	13	12	11	15	15	12	17	15	14

Freezing level m	2700	2850	3000	3100	3250	3450	3550	3600	3650	3800	3950	4150	4200	4150	4300	4350	4350	4350
Cloud base (m)	6400	8200	8750		6500	5950	6300	6200				8400

	7:28	—	—	7:28	—	—	7:28	—	—	7:26	—	—	7:26	—	—	7:26	—	—
	—	5:07	—	—	5:07	—	—	5:08	—	—	5:09	—	—	5:10	—	—	5:12	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 15°C on Sun morning, min 7°C on Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Wed morning, min 12°C on Mon night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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	0° C	Fog patches -.	Calm (0 kph at 0).	16 km
Cloverdale 34 km W 106m alt. 1 hour ago	5° C	Dry	Light winds from the N (16 kph at 5).
Graton 35 km SSW 87m alt. 55 minutes ago	2° C	-	Calm (2 kph at 28).
Alten wx 36 km S 69m alt. 27 minutes ago	9° C	Dry	Calm (0 kph at 200).
Sebastopol 36 km SSW 129m alt. 58 minutes ago	6° C	Dry	Calm (0 kph at 120).
Guerneville wx 36 km SW 18m alt. 46 minutes ago		-	Calm (0 kph at 197).
Camp Meeker wx 37 km SSW 61m alt. 34 minutes ago	13° C	Dry	Calm (3 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (3 kph at 260).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	0° C	-	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 22 minutes ago	2° C	-	Calm (0 kph at 350).

* 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.