– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Tue 23 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 23 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mild with heavy rain (total 53mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu afternoon. Freeze-thaw conditions (max 7°C on Tue night, min 0°C on Thu night). Mainly extremely windy.									Days 4–6 Weather Summary Moderate rain (total 11mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Mild temperatures (max 8°C on Sun morning, min 1°C on Fri night). Mainly severe gales.
	Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	heavy rain	light rain	mod. rain	light snow	light snow	light snow	mod. snow	mod. rain	light rain	light snow	some clouds	clear	clear	clear	clear	clear
km/h	S	SSE	SSE	SSW	SSE	S	SSW	S	SSW	S	S	ENE	E	NE	NNE	NE	NE	ENE
See all weather maps
cm	—	—	—	—	—	1	2	4	7	—	—	1	—	—	—	—	—	—
mm	1	0.4	11	3	6	22	—	2	7	6	4	1.1	—	—	—	—	—	—
max °C	6	6	7	3	4	4	1	3	2	3	2	2	1	5	7	8	8	8
min °C	5	6	1	3	3	1	1	1	0	2	2	1	1	4	5	7	7	5
chill °C	-2	0	-9	-3	-5	-8	-8	-8	-10	-6	-6	-5	-6	0	0	3	2	0

Freezing level m	2700	2450	2650	1700	1850	1900	1450	1550	1300	1650	1650	1600	1550	2050	2400	2700	2750	2800
Cloud base (m)	400	500	300	400	350	350	550	400	500	350	350	350	400

	7:24	—	—	7:26	—	—	7:26	—	—	7:26	—	—	7:26	—	—	7:26	—	—
	—	4:52	—	—	4:53	—	—	4:53	—	—	4:54	—	—	4:55	—	—	4:55	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mild with heavy rain (total 53mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu afternoon. Freeze-thaw conditions (max 7°C on Tue night, min 0°C on Thu night). Mainly extremely windy.

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 11mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Mild temperatures (max 8°C on Sun morning, min 1°C on Fri night). Mainly severe gales.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 1323 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	13° C	Mist -.	Light winds from the SSE (11 kph at 160).	6 km Low: few Mid: broken High: overcast
Cloverdale 34 km W 106m alt. 2 hours ago	13° C	Dry	Calm (3 kph at 142).
Graton 35 km SSW 87m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 32).
Alten wx 36 km S 69m alt. 54 minutes ago	14° C	Dry	Calm (0 kph at 90).
Sebastopol 36 km SSW 129m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 133).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	12° C	Dry	Calm (2 kph at 278).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	13° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 351).
Monte Rio wx 40 km SSW 76m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 101).

* 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.