– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Sun 18 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 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 19°C on Mon morning, min 12°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 16°C on Wed morning, min 10°C on Fri night). Wind will be generally light.
	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	some clouds	clear	clear	clear	some clouds	clear	cloudy	some clouds	cloudy	cloudy	some clouds	clear	clear	clear	clear	clear	clear
km/h	N	NNW	N	NNE	NNE	NE	NE	SW	NNW	N	WSW	NE	ENE	E	NNE	NNE	W	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	18	18	14	19	19	14	18	17	13	16	16	13	16	16	12	16	16	12
min °C	16	15	13	16	15	12	14	14	12	15	14	11	14	13	11	14	13	10
chill °C	16	15	13	16	15	12	14	14	12	15	14	11	14	13	10	14	13	10

Freezing level m	3850	3850	3650	3700	3700	3700	3600	3600	3550	3450	3350	3100	2750	2800	2700	2950	3050	3350
Cloud base (m)	4600	6200					6750	6850		6600	5150		3800

	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 19°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Wed morning, min 10°C on Fri 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 58 minutes ago	2° C	Mist -.	Calm (0 kph at 0).	2 km
Santa Rosa 30 km S 40m alt. 23 minutes ago	4° C	Dry	Calm (0 kph at 106).
Cloverdale 34 km W 106m alt. 40 minutes ago	9° C	Dry	Light winds from the NNE (8 kph at 15).
Graton 35 km SSW 87m alt. 31 minutes ago	4° C	Dry	Calm (0 kph at 26).
Alten wx 36 km S 69m alt. 28 minutes ago	6° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 276).
Guerneville wx 36 km SW 18m alt. 22 minutes ago		-	Calm (0 kph at 220).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 350).
Knowles Corner wx 37 km S 88m alt. 39 minutes ago	3° 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.