– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Wed 31 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 31 Dec 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 43mm), heaviest during Fri night. Very mild (max 11°C on Fri morning, min 9°C on Wed afternoon). Winds increasing (light winds from the SE on Wed night, strong winds from the S by Fri night).											Days 5–7 Weather Summary Heavy rain (total 64mm), heaviest during Sun night. Very mild (max 10°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, calm by Tue morning).
	Wed 31		Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	heavy rain	light rain	light rain	light rain	cloudy	light rain	heavy rain	rain shwrs	light rain	heavy rain	heavy rain	light rain	heavy rain	light rain	rain shwrs	rain shwrs
km/h	SE	SE	SSE	S	SSE	SSE	SSE	S	SSW	SSW	SSW	S	SSW	SSW	SSW	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	10	4	2	1.8	—	0.3	19	3	0.8	12	13	4	24	1.6	7	1.6
max °C	10	9	10	10	10	11	10	11	11	10	10	10	10	9	8	7	6
min °C	9	9	9	10	10	10	10	10	10	10	9	10	9	6	7	7	6
chill °C	7	7	6	8	8	8	7	6	6	7	5	6	5	2	3	3	3

Freezing level m	3100	3100	2750	2400	2600	2800	2600	2550	2200	2100	2100	2200	2050	1850	1500	1600	1600
Cloud base (m)	700	350	350	450	450	650	550	350	350	450	450	300	300	350	500	450	750

	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—
	4:59	—	—	5:00	—	—	5:00	—	—	5:00	—	—	5:01	—	—	5:02	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 43mm), heaviest during Fri night. Very mild (max 11°C on Fri morning, min 9°C on Wed afternoon). Winds increasing (light winds from the SE on Wed night, strong winds from the S by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 64mm), heaviest during Sun night. Very mild (max 10°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, calm by Tue morning).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	10° C	Moderate rain .	Calm (0 kph at 0).	5 km Mid: overcast
Cloverdale 34 km W 106m alt. 37 minutes ago	9° C	Dry	Calm (0 kph at 325).
Graton 35 km SSW 87m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 24).
Alten wx 36 km S 69m alt. 1 hour ago	10° C	Dry	Calm (3 kph at 135).
Sebastopol 36 km SSW 129m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 263).
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	9° C	Light rain.	Calm (2 kph at 23).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 349).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	9° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 30 minutes ago	9° C	Dry	Calm (0 kph at 274).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 293).

* 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.