– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Mon 23 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 23 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 52mm), heaviest during Tue morning. Very mild (max 17°C on Wed morning, min 11°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 19°C on Fri morning, min 9°C on Sat night). Wind will be generally light.
	Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	heavy rain	heavy rain	heavy rain	light rain	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	light rain	cloudy
km/h	S	S	SSW	SSW	SW	WSW	W	W	NNW	WSW	W	WNW	NW	WSW	SSE	SW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	11	26	14	0.8	—	—	—	—	—	—	—	—	—	—	0.1	—
max °C	15	15	11	12	12	12	17	17	14	18	18	15	19	19	16	16	14	11
min °C	13	13	11	12	12	12	14	14	13	16	16	14	17	17	14	15	12	9
chill °C	12	12	9	10	10	11	14	14	13	16	16	14	17	17	14	14	11	8

Freezing level m	3350	3250	3350	3400	3200	3100	3100	3300	3350	3400	3350	3400	3400	3500	3500	3350	3150	3000
Cloud base (m)	650	2800	350	350	350	350	500	4900	2950	2300	1650	3250	3250	6150	3850	550	600	400

	6:50	—	—	6:48	—	—	6:48	—	—	6:46	—	—	6:45	—	—	6:43	—	—
	—	5:57	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:00	—	—	6:01	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 52mm), heaviest during Tue morning. Very mild (max 17°C on Wed morning, min 11°C on Mon night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Fri morning, min 9°C on Sat 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	14° C	Dry and partly cloudy.	Light winds from the SW (7 kph at 230).	16 km Low: scattered Mid: scattered
Santa Rosa 30 km S 40m alt. 55 minutes ago	19° C	Dry	Calm (0 kph at 60).
Cloverdale 34 km W 106m alt. 59 minutes ago	18° C	Dry	Calm (3 kph at 124).
Graton 35 km SSW 87m alt. 1 hour ago	18° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	18° C	Dry	Calm (3 kph at 127).
Sebastopol 36 km SSW 129m alt. 38 minutes ago	17° C	Dry	Calm (0 kph at 110).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	19° C	Dry	Calm (5 kph at 293).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	17° C	Dry	Calm (2 kph at 130).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 270).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 315).

* 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.