– Lat/Long: 38.67° N 122.63° W

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

Issued: 3 pm Fri 09 Jan 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 14°C on Mon morning, min 8°C on Fri afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 19°C on Wed morning, min 13°C on Mon night). Winds increasing (calm on Tue morning, near gales from the NNE by Wed afternoon).
	Fri 9		Saturday 10			Sunday 11			Monday 12			Tuesday 13			Wednesday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NE	NNE	N	N	N	NNW	NNW	NNW	NNE	NNE	NE	ENE	NNE	NNW	N	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	8	10	10	11	13	13	12	14	14	14	16	16	16	19	19	18
min °C	8	8	9	10	10	12	12	12	13	14	13	15	15	15	17	18	17
chill °C	4	5	8	9	8	11	10	11	12	12	11	15	15	15	16	16	15

Freezing level m	2850	2950	3050	3250	3450	3550	3550	3600	3600	3700	3900	4050	4050	4150	4250	4300	4350
Cloud base (m)	8650			6450	5950	6200	6850

	—	—	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 14°C on Mon morning, min 8°C on Fri afternoon). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Wed morning, min 13°C on Mon night). Winds increasing (calm on Tue morning, near gales from the NNE by Wed 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	10° C	Clear	Light winds from the SSE (6 kph at 150).	16 km
Cloverdale 34 km W 106m alt. 40 minutes ago	7° C	Dry	Calm (0 kph at 26).
Graton 35 km SSW 87m alt. 50 minutes ago	4° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 188).
Sebastopol 36 km SSW 129m alt. 58 minutes ago	7° C	Dry	Calm (0 kph at 273).
Guerneville wx 36 km SW 18m alt. 1 hour ago		-	Calm (0 kph at 283).
Camp Meeker wx 37 km SSW 61m alt. 39 minutes ago	5° C	Dry	Wind obs. (6 kph from 225 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (3 kph at 256).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	4° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 31 minutes ago	4° C	Dry	Calm (0 kph at 6).

* 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.