– Lat/Long: 38.67° N 122.63° W

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

Issued: 3 am Wed 31 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 51mm), heaviest during Fri night. Very mild (max 10°C on Wed morning, min 4°C on Fri morning). Winds increasing (light winds from the SE on Wed afternoon, gales from the SSE by Fri night).									Days 4–6 Weather Summary Heavy rain (total 129mm), heaviest during Sun night. Mild temperatures (max 6°C on Sat afternoon, min 2°C on Mon morning). Winds decreasing (severe gales from the SSW on Sun afternoon, fresh winds from the SSE by Mon night).
	Wednesday 31			Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5
	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	light rain	light rain	some clouds	light rain	rain shwrs	mod. rain	light rain	heavy rain	heavy rain	mod. rain	heavy rain	heavy rain	light rain	heavy rain
km/h	SSE	SE	SSE	S	SSW	S	S	SSE	S	S	S	SSW	S	SSW	S	SSW	SSW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	4	14	3	1.7	2	—	0.1	24	6	2	20	30	9	31	18	2	10
max °C	10	9	8	7	6	6	5	5	6	5	6	6	6	6	5	3	2	4
min °C	9	8	7	6	6	5	4	4	5	5	6	5	6	5	4	2	2	3
chill °C	6	3	3	1	0	0	-2	-3	-2	-2	-1	-2	0	-2	-2	-5	-5	-4

Freezing level m	3300	3100	3000	2600	2400	2400	2850	2750	2400	2200	2300	2200	2350	2250	2050	1900	1650	1950
Cloud base (m)	2000	450	350	350	350	400	600	700	350	450	400	450	350	300	350	350	450	350

	7:28	—	—	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 51mm), heaviest during Fri night. Very mild (max 10°C on Wed morning, min 4°C on Fri morning). Winds increasing (light winds from the SE on Wed afternoon, gales from the SSE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 129mm), heaviest during Sun night. Mild temperatures (max 6°C on Sat afternoon, min 2°C on Mon morning). Winds decreasing (severe gales from the SSW on Sun afternoon, fresh winds from the SSE by Mon 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. 2 hours ago	5° C	Mist -.	Calm (0 kph at 0).	6 km Low: few Mid: overcast
Cloverdale 34 km W 106m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 123).
Graton 35 km SSW 87m alt. 29 minutes ago	6° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 123).
Sebastopol 36 km SSW 129m alt. 36 minutes ago	6° C	Dry	Calm (0 kph at 93).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 23).
Camp Meeker wx 37 km SSW 61m alt. 27 minutes ago	6° C	Dry	Calm (0 kph at 344).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	5° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 344).
Monte Rio wx 40 km SSW 76m alt. 39 minutes ago	6° C	Dry	Calm (2 kph at 121).

* 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.