– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Mon 29 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Mon 29 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 19mm), heaviest on Thu morning. Very mild (max 13°C on Tue afternoon, min 6°C on Wed afternoon). Winds increasing (light winds from the SE on Tue morning, gales from the S by Thu morning).											Days 5–7 Weather Summary Heavy rain (total 38mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Fri night. Mild temperatures (max 8°C on Thu afternoon, min 1°C on Fri night). Winds decreasing (stormy winds from the S on Fri morning, light winds from the SW by Sat night).
	Mon 29		Tuesday 30			Wednesday 31			Thursday 1			Friday 2			Saturday 3
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	some clouds	cloudy	light rain	mod. rain	mod. rain	mod. rain	mod. rain	mod. rain	heavy rain	snow shwrs	cloudy	some clouds	some clouds
km/h	NNE	NE	SE	S	S	SSE	ESE	SSE	S	S	S	S	SW	SW	SSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	2	—	—	—
mm	—	—	—	—	—	—	1	10	8	9	8	7	12	—	—	—	—
max °C	12	11	12	13	13	11	8	7	8	8	7	6	4	2	2	2	2
min °C	12	11	11	12	12	9	6	6	7	8	7	6	2	1	1	1	1
chill °C	10	9	10	11	11	7	1	1	2	2	1	-2	-6	-7	-5	-4	-4

Freezing level m	4000	4050	3850	3700	3350	3200	3000	2800	2850	2850	2600	2250	2050	1600	1500	1600	1600
Cloud base (m)			9400	6900		2800	2550	350	350	350	350	350	350	450	500	550	1700

	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—
	4:57	—	—	4:58	—	—	4:59	—	—	5:00	—	—	5:00	—	—	5:00	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Moderate rain (total 19mm), heaviest on Thu morning. Very mild (max 13°C on Tue afternoon, min 6°C on Wed afternoon). Winds increasing (light winds from the SE on Tue morning, gales from the S by Thu morning).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 38mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Fri night. Mild temperatures (max 8°C on Thu afternoon, min 1°C on Fri night). Winds decreasing (stormy winds from the S on Fri morning, light winds from the SW by Sat night).

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. 1 hour ago	4° C	-	Calm (0 kph at 0).	0.0 km
Cloverdale 34 km W 106m alt. 2 hours ago	8° C	Dry	Calm (3 kph at 44).
Graton 35 km SSW 87m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 151).
Sebastopol 36 km SSW 129m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 127).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 287).
Knowles Corner wx 37 km S 88m alt. 40 minutes ago	4° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 54 minutes ago	4° C	Dry	Calm (0 kph at 358).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	6° C	Dry	Calm (3 kph at 83).

* 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.