– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Wed 31 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 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 62mm), heaviest during Fri night. Very mild (max 11°C on Wed morning, min 9°C on Wed afternoon). Winds increasing (light winds from the SE on Wed morning, fresh winds from the S by Fri night).									Days 4–6 Weather Summary Heavy rain (total 94mm), heaviest during Sun morning. Very mild (max 11°C on Sat morning, min 8°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat morning, light 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	mod. rain	heavy rain	light rain	light rain	light rain	light rain	light rain	rain shwrs	light rain	light rain	light rain	heavy rain	mod. rain	heavy rain	mod. rain	heavy rain	mod. rain
km/h	ESE	ESE	SE	SSE	S	S	SSE	SSE	S	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	1.5	7	21	3	3	3	0.2	0.5	23	3	1.4	4	30	10	11	10	18	7
max °C	11	9	9	9	10	11	11	10	11	11	11	10	10	10	9	9	9	9
min °C	10	9	9	9	10	9	11	10	10	11	10	9	9	9	8	8	9	8
chill °C	9	7	7	7	8	7	9	7	6	8	7	5	6	6	5	5	6	5

Freezing level m	3300	3200	3100	2850	2450	2500	2950	2600	2400	2150	2150	2100	2200	2150	1900	1850	2000	1900
Cloud base (m)	2000	550	350	350	400	350	600	700	350	450	450	350	350	300	350	350	300	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 62mm), heaviest during Fri night. Very mild (max 11°C on Wed morning, min 9°C on Wed afternoon). Winds increasing (light winds from the SE on Wed morning, fresh winds from the S by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 94mm), heaviest during Sun morning. Very mild (max 11°C on Sat morning, min 8°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat morning, light winds from the SSE by Mon night).

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	7° C	Light rain .	Calm (0 kph at 0).	11 km Mid: broken High: overcast
Cloverdale 34 km W 106m alt. 49 minutes ago	9° C	Dry	Calm (0 kph at 154).
Graton 35 km SSW 87m alt. 55 minutes ago	8° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 35).
Sebastopol 36 km SSW 129m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 17).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	8° C	Dry	Calm (2 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	7° C	Dry	Calm (3 kph at 42).
Knowles Corner wx 37 km S 88m alt. 57 minutes ago	8° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 347).
Monte Rio wx 40 km SSW 76m alt. 36 minutes ago	9° C	Dry	Calm (0 kph at 124).

* 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.