– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Mon 09 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 09 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 18mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Tue night. Very mild (max 11°C on Mon morning, min 2°C on Tue night). Winds decreasing (strong winds from the SSE on Tue afternoon, calm by Tue night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -3°C on Sat night). Winds increasing (calm on Fri morning, near gales from the SW by Sat morning).
	Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	light rain	mod. rain	light snow	mod. rain	light rain	rain shwrs	some clouds	some clouds	clear	some clouds	some clouds	cloudy	light snow	snow shwrs	snow shwrs
km/h	NNE	NE	ENE	SE	SSE	ESE	SSE	ESE	ENE	ENE	N	NNE	NNW	NW	W	SW	W	WSW
See all weather maps
cm	—	—	—	—	—	2	—	—	—	—	—	—	—	—	—	2	2	3
mm	—	—	—	0.5	5	5	6	1	0.6	—	—	—	—	—	—	0.9	—	—
max °C	11	11	9	5	3	3	3	3	3	3	5	6	7	8	7	3	0	-1
min °C	9	10	6	3	3	2	2	3	2	3	4	5	7	7	2	2	-1	-3
chill °C	6	6	2	0	-4	2	-3	0	-2	0	0	0	6	4	-5	-6	-9	-9

Freezing level m	2700	2750	2550	2100	1750	1850	1700	1850	1700	1800	2100	2550	2950	2900	2500	1800	1300	950
Cloud base (m)	5800	5350	4450	2950	700	350	400	400	400	600	850			8050	2750	550	350	350

	7:07	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:03	—	—	7:01	—	—
	—	5:40	—	—	5:42	—	—	5:44	—	—	5:45	—	—	5:45	—	—	5:46	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Moderate rain (total 18mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Tue night. Very mild (max 11°C on Mon morning, min 2°C on Tue night). Winds decreasing (strong winds from the SSE on Tue afternoon, calm by Tue night).

Mount Saint Helena Weather (Days 3-6):

A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -3°C on Sat night). Winds increasing (calm on Fri morning, near gales from the SW by Sat morning).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	11° C	Clear	Light winds from the N (13 kph at 10).	16 km
Santa Rosa 30 km S 40m alt. 2 hours ago	13° C	Dry	Wind obs. (8 kph from 205 degs) was rejected.
Cloverdale 34 km W 106m alt. 2 hours ago	10° C	Dry	Wind obs. (8 kph from 282 degs) was rejected.
Graton 35 km SSW 87m alt. 35 minutes ago	12° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 38 minutes ago	13° C	Dry	Calm (0 kph at 247).
Sebastopol 36 km SSW 129m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 325).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	15° C	Dry	Calm (2 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 330).
Knowles Corner wx 37 km S 88m alt. 49 minutes ago	9° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 334).

* 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.