– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Thu 01 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 01 Jan 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 71mm), heaviest during Sat night. Very mild (max 11°C on Fri morning, min 9°C on Thu morning). Winds increasing (light winds from the SSE on Thu morning, strong winds from the SSE by Fri night).									Days 4–6 Weather Summary Heavy rain (total 24mm), heaviest during Sun morning. Very mild (max 12°C on Tue morning, min 7°C on Sun night). Wind will be generally light.
	Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	mod. rain	light rain	rain shwrs	rain shwrs	mod. rain	light rain	heavy rain	heavy rain	rain shwrs	light rain	light rain	light rain	some clouds	clear	clear	cloudy
km/h	SSE	S	S	SSE	SSE	S	S	SSW	SSW	SSW	SW	SSW	SSE	S	SE	E	S	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	3	2	6	0.1	1	14	10	3	32	19	1.9	1.6	0.8	0.7	—	—	—	—
max °C	9	10	10	11	10	11	10	9	9	8	9	8	9	9	8	12	12	9
min °C	9	10	10	10	10	9	9	9	9	8	8	7	8	8	7	10	9	7
chill °C	7	8	7	8	7	6	5	5	5	5	6	4	6	6	6	10	9	5

Freezing level m	2850	2500	2400	2850	2400	2400	2050	1900	2000	1950	1900	1850	1700	1750	2050	2150	2200	2050
Cloud base (m)	400	400	350	600	600	350	400	350	350	350	350	350	700	550	1850	1900	2000	2100

	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—
	—	5:00	—	—	5:00	—	—	5:00	—	—	5:01	—	—	5:02	—	—	5:04	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 71mm), heaviest during Sat night. Very mild (max 11°C on Fri morning, min 9°C on Thu morning). Winds increasing (light winds from the SSE on Thu morning, strong winds from the SSE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 24mm), heaviest during Sun morning. Very mild (max 12°C on Tue morning, min 7°C on Sun night). Wind will be generally light.

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	12° C	Mist -.	Wind obs. (7 kph from 170 degs) was rejected.	5 km Low: overcast
Cloverdale 34 km W 106m alt. 45 minutes ago	12° C	Dry	Calm (3 kph at 169).
Graton 35 km SSW 87m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 28).
Alten wx 36 km S 69m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 90).
Sebastopol 36 km SSW 129m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 135).
Camp Meeker wx 37 km SSW 61m alt. 30 minutes ago	11° C	Dry	Calm (0 kph at 45).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 350).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 203).
Camp Meeker wx 39 km SSW 61m alt. 26 minutes ago	11° C	Dry	Calm (0 kph at 343).
Monte Rio wx 40 km SSW 76m alt. 35 minutes ago	12° C	Dry	Calm (0 kph at 49).

* 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.