– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Sat 14 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sat 14 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 38mm), heaviest during Sun afternoon. Very mild (max 10°C on Sat morning, min 3°C on Mon night). Winds decreasing (fresh winds from the S on Sun morning, calm by Sun night).									Days 4–6 Weather Summary Moderate rain (total 13mm), heaviest on Tue morning. Freeze-thaw conditions (max 7°C on Thu morning, min 0°C on Tue night). Winds decreasing (fresh winds from the W on Tue afternoon, calm by Wed night).
	Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	mod. rain	light rain	heavy rain	mod. rain	light rain	light rain	rain shwrs	heavy rain	rain shwrs	some clouds	rain shwrs	light rain	cloudy	some clouds	rain shwrs	clear
km/h	S	S	S	SSE	S	S	NE	NNW	WNW	W	W	W	WNW	WNW	NE	NE	NW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	5	5	17	7	1.3	0.2	3	11	1.2	—	0.2	0.2	—	—	0.1	—
max °C	10	10	8	9	9	6	7	8	4	4	3	1	6	6	3	7	7	3
min °C	9	8	7	8	6	6	6	6	3	4	1	0	4	3	1	4	4	2
chill °C	7	5	4	4	3	3	4	3	-2	-1	-4	-5	0	2	-1	3	2	2

Freezing level m	2400	1950	1700	1850	1950	1600	1450	1550	950	1050	900	550	1000	1150	900	1000	1300	1400
Cloud base (m)	650	550	450	350	300	350	400	600	550	350	400	400	400	1450	2500	700	850	8350

	7:01	—	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:56	—	—
	—	5:46	—	—	5:47	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 38mm), heaviest during Sun afternoon. Very mild (max 10°C on Sat morning, min 3°C on Mon night). Winds decreasing (fresh winds from the S on Sun morning, calm by Sun night).

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 13mm), heaviest on Tue morning. Freeze-thaw conditions (max 7°C on Thu morning, min 0°C on Tue night). Winds decreasing (fresh winds from the W on Tue afternoon, calm by Wed night).

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. 2 hours ago	8° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Santa Rosa 30 km S 40m alt. 49 minutes ago	7° C	Dry	Calm (0 kph at 52).
Cloverdale 34 km W 106m alt. 52 minutes ago	8° C	Dry	Calm (0 kph at 150).
Graton 35 km SSW 87m alt. 3 hours ago	7° C	Dry	Calm (0 kph at 30).
Alten wx 36 km S 69m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 114).
Sebastopol 36 km SSW 129m alt. 56 minutes ago	8° C	Dry	Calm (0 kph at 311).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	7° C	Dry	Calm (3 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 55 minutes ago	7° C	Dry	Calm (3 kph at 38).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	9° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago		Dry	Calm (0 kph at 75).

* 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.