– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Sat 29 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 29 Nov 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 12°C on Sat night, min 9°C on Sun morning). Winds decreasing (fresh winds from the NNW on Sat night, light winds from the NE by Tue morning).										Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Wed morning, min 8°C on Tue night). Winds decreasing (strong winds from the NNE on Tue night, light winds from the N by Thu afternoon).
		Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4			Friday 5
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	some clouds	clear	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear
km/h	NW	NNW	N	NE	NNE	NE	N	NE	NW	NNE	NNE	NNE	N	NNE	N	NW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	12	10	9	9	10	10	10	12	12	9	11	10	10	10	11	11	9	10	10
min°C	11	9	9	9	10	10	10	11	11	8	10	10	9	9	10	8	9	9	8
chill°C	9	7	7	5	8	8	8	11	8	3	6	6	6	6	8	5	7	6	3

Freezing level (m)	3350	3350	3600	3900	4000	3900	3600	3600	3450	2950	3000	3150	3050	3400	3550	3600	3900	3900	3500
Cloud base (m)		5850	9100	8800	8400						6950	6550	8200	6500	6050	6500	8900	8450	4600

	—	7:07	—	—	7:09	—	—	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—
	—	—	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 12°C on Sat night, min 9°C on Sun morning). Winds decreasing (fresh winds from the NNW on Sat night, light winds from the NE by Tue morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Wed morning, min 8°C on Tue night). Winds decreasing (strong winds from the NNE on Tue night, light winds from the N by Thu afternoon).

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	7° C	Mist -.	Calm (0 kph at 0).	6 km Low: overcast
Santa Rosa 30 km S 40m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 39).
Cloverdale 34 km W 106m alt. 40 minutes ago	7° C	Dry	Calm (0 kph at 144).
Graton 35 km SSW 87m alt. 2 hours ago	6° C	Dry	Calm (0 kph at —).
Alten wx 36 km S 69m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 117).
Sebastopol 36 km SSW 129m alt. 57 minutes ago	6° C	Dry	Calm (0 kph at 171).
Guerneville wx 36 km SW 18m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 136).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 316).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	7° C	Dry	Calm (0 kph at —).

* 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.