– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Sun 04 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 04 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 40mm), heaviest during Mon afternoon. Very mild (max 11°C on Wed afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Mon morning, calm by Tue morning).										Days 5–7 Weather Summary Mostly dry. Very mild (max 14°C on Sat morning, min 5°C on Wed night). Wind will be generally light.
		Monday 5			Tuesday 6			Wednesday 7			Thursday 8			Friday 9			Saturday 10
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	heavy rain	heavy rain	light rain	light rain	some clouds	light rain	some clouds	clear	rain shwrs	clear	clear	some clouds	clear	clear	clear	clear	clear	clear
km/h	S	S	S	SE	SE	SW	W	WNW	NW	NW	N	NNW	N	NNE	NNE	NNE	NNE	NNE	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	8	11	18	1.8	0.6	—	0.1	—	—	0.1	—	—	—	—	—	—	—	—	—
max °C	8	8	8	8	9	10	9	10	11	6	9	9	6	13	12	8	14	14	10
min °C	6	8	8	8	8	9	8	9	8	5	7	6	6	10	9	7	11	10	9
chill °C	3	4	4	6	8	9	7	7	5	1	6	4	4	8	7	5	10	9	8

Freezing level m	1550	1900	1850	1850	2000	2150	2100	2050	2200	1450	1450	1900	2500	2550	2650	3100	3300	3450	3450
Cloud base (m)	550	350	350	350	600	600	450	6300		700	800	950	7050						9350

	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—
	—	—	5:02	—	—	5:04	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:07	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 40mm), heaviest during Mon afternoon. Very mild (max 11°C on Wed afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Mon morning, calm by Tue morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Sat morning, min 5°C on Wed 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	8° C	Dry and partly cloudy.	Calm (0 kph at 0).	14 km Low: scattered
Cloverdale 34 km W 106m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 71).
Graton 35 km SSW 87m alt. 48 minutes ago	6° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 48 minutes ago	8° C	Dry	Calm (5 kph at 127).
Sebastopol 36 km SSW 129m alt. 50 minutes ago	9° C	Dry	Calm (0 kph at 190).
Guerneville wx 36 km SW 18m alt. 50 minutes ago		-	Calm (0 kph at 66).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 323).
Knowles Corner wx 37 km S 88m alt. 53 minutes ago	9° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 1).

* 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.