– Lat/Long: 38.67° N 122.63° W

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

Issued: 9 pm Mon 23 Feb 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 39mm), heaviest during Tue afternoon. Very mild (max 18°C on Thu morning, min 11°C on Mon night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Very mild (max 19°C on Fri morning, min 10°C on Sun afternoon). Wind will be generally light.
		Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28			Sunday 1
	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	rain shwrs	some clouds	some clouds	some clouds	clear	some clouds	some clouds	clear	cloudy	some clouds	cloudy	cloudy	cloudy	some clouds	cloudy	some clouds
km/h	SSW	SSW	WSW	WSW	W	WSW	N	NNW	WNW	NNW	N	W	NNW	SW	WSW	WSW	WSW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	9	10	19	0.3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	12	12	12	16	16	12	18	18	14	19	19	15	18	17	13	15	14	9
min °C	11	12	12	11	13	13	11	15	15	13	17	16	13	16	14	11	12	10	7
chill °C	9	10	10	10	12	13	11	15	15	13	17	16	13	16	14	10	11	8	5

Freezing level m	3400	3450	3400	3250	3150	3450	3500	3650	3650	3700	3700	3700	3450	3300	3150	3200	2650	2450	2200
Cloud base (m)	350	400	350	400	600	4800	5650	5850	5600	4700	4350		3550	4100	6750	5500	3850	1900	400

	—	6:48	—	—	6:48	—	—	6:46	—	—	6:45	—	—	6:43	—	—	6:41	—	—
	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:00	—	—	6:01	—	—	6:02	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 39mm), heaviest during Tue afternoon. Very mild (max 18°C on Thu 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 10°C on Sun afternoon). 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. 3 hours ago	13° C	Light rain .	Calm (0 kph at 0).	13 km Low: few Mid: broken High: overcast
Santa Rosa 30 km S 40m alt. 55 minutes ago	13° C	Dry	Calm (0 kph at 76).
Cloverdale 34 km W 106m alt. 1 hour ago	13° C	Dry	Calm (2 kph at 123).
Graton 35 km SSW 87m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 159).
Camp Meeker wx 37 km SSW 61m alt. 50 minutes ago	12° C	Dry	Calm (0 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 279).
Knowles Corner wx 37 km S 88m alt. 47 minutes ago	12° C	Dry	Calm (2 kph at 338).
Camp Meeker wx 39 km SSW 61m alt. 3 hours ago	11° C	Dry	Calm (0 kph at 354).

* 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.