– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Fri 20 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 20 Feb 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 2°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Heavy rain (total 55mm), heaviest during Tue afternoon. Very mild (max 17°C on Thu morning, min 10°C on Mon night). Wind will be generally light.
	Fri 20		Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	some clouds	rain shwrs	rain shwrs	light rain	cloudy	some clouds	cloudy	cloudy	heavy rain	heavy rain	heavy rain	mod. rain	rain shwrs	rain shwrs	some clouds
km/h	S	SSE	SSE	SSE	SSE	S	SSW	S	SSE	SSE	S	SSW	SW	SSW	WSW	WSW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	—	—	0.1	0.1	0.1	—	—	—	—	12	14	20	9	0.3	0.2	—
max °C	6	2	8	8	7	11	11	9	14	13	11	11	11	12	13	14	12
min °C	3	2	6	6	6	8	10	9	12	12	10	10	11	12	12	13	10
chill °C	1	0	4	3	3	6	9	9	12	11	8	7	9	11	12	13	10

Freezing level m	1200	1000	1300	1450	2000	2350	2700	3250	3150	3100	3250	3150	3000	2900	2900	3250	3450
Cloud base (m)	750	1650	1600	850	600	550	900	900		2700	400	350	350	350	500	500	6550

	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:48	—	—
	5:53	—	—	5:54	—	—	5:55	—	—	5:57	—	—	5:58	—	—	5:59	—

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 2°C on Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 55mm), heaviest during Tue afternoon. Very mild (max 17°C on Thu morning, min 10°C on Mon 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. 2 hours ago	8° C	Clear	Light winds from the S (6 kph at 170).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 96).
Cloverdale 34 km W 106m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 56).
Graton 35 km SSW 87m alt. 49 minutes ago	4° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 151).
Sebastopol 36 km SSW 129m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 171).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 55 minutes ago	4° C	Dry	Calm (3 kph at 261).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	5° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago		Dry	Calm (3 kph at 70).

* 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.