– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Sun 18 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 18 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 12°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 12°C on Wed morning, min 9°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the NNE by Thu night).
	Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	some clouds	clear	clear	clear	some clouds	clear
km/h	W	NW	N	N	NNE	NE	NE	NNW	WSW	N	WNW	NNW	W	NW	NNE	NNE	N	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	15	14	15	15	13	14	13	13	12	12	11	10	10	10	11	11	11
min °C	15	14	13	14	14	13	13	13	12	12	11	10	10	10	9	11	11	9
chill °C	15	13	12	13	12	11	12	13	12	12	11	9	9	8	5	8	9	8

Freezing level m	3850	3850	3700	3700	3700	3700	3650	3600	3500	3350	3200	2700	2600	2600	2700	2950	3200	3300
Cloud base (m)	4750	6150	6200	7150			6550	6950	6000	5900	5000	3000	2500	2650

	7:24	—	—	7:24	—	—	7:24	—	—	7:24	—	—	7:22	—	—	7:22	—	—
	—	5:15	—	—	5:16	—	—	5:17	—	—	5:20	—	—	5:21	—	—	5:22	—

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 12°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Wed morning, min 9°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the NNE by Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 4 hours ago	19° C	Clear	Light winds from the S (9 kph at 180).	16 km
Santa Rosa 30 km S 40m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 101).
Cloverdale 34 km W 106m alt. 3 hours ago	22° C	Dry	Calm (5 kph at 329).
Graton 35 km SSW 87m alt. 3 hours ago	17° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 98).
Sebastopol 36 km SSW 129m alt. 3 hours ago	17° C	Dry	Calm (0 kph at 197).
Guerneville wx 36 km SW 18m alt. 3 hours ago		-	Calm (0 kph at 205).
Camp Meeker wx 37 km SSW 61m alt. 4 hours ago	22° C	Dry	Calm (0 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 3 hours ago	18° C	Dry	Calm (0 kph at 12).
Knowles Corner wx 37 km S 88m alt. 3 hours ago	12° 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.