– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Thu 01 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 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 39mm), heaviest during Fri night. Mild temperatures (max 7°C on Thu morning, min 4°C on Fri night). Winds increasing (fresh winds from the SSW on Thu morning, severe gales from the SSE by Fri night).									Days 4–6 Weather Summary Heavy rain (total 38mm), heaviest during Sun morning. Mild temperatures (max 5°C on Sun morning, min 3°C on Sun afternoon). Winds decreasing (near gales from the SSW on Sun morning, light winds from the N by Tue night).
	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	rain shwrs	rain shwrs	mod. rain	heavy rain	rain shwrs	light rain	light rain	light rain	mod. rain	rain shwrs	rain shwrs	some clouds
km/h	S	S	S	SSE	SSE	S	SSW	SSW	S	SSW	WSW	SSW	S	S	SE	ESE	ESE	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	3	2	7	0.1	0.6	17	2	1.2	6	14	9	1.9	3	2	8	0.2	0.2	—
max °C	7	6	6	5	6	6	4	4	5	5	3	3	3	3	4	4	5	5
min °C	6	5	5	5	5	4	4	4	4	5	3	3	3	3	3	4	4	4
chill °C	1	-1	-1	-1	-2	-3	-3	-3	-3	-2	-4	-3	-3	-2	-3	-1	0	2

Freezing level m	2800	2300	2400	2800	2450	2400	2000	2050	2100	2150	1900	1800	1800	1850	1950	2000	2050	2250
Cloud base (m)	350	350	350	500	700	350	450	550	400	350	350	650	600	550	350	400	600	1900

	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 39mm), heaviest during Fri night. Mild temperatures (max 7°C on Thu morning, min 4°C on Fri night). Winds increasing (fresh winds from the SSW on Thu morning, severe gales from the SSE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 38mm), heaviest during Sun morning. Mild temperatures (max 5°C on Sun morning, min 3°C on Sun afternoon). Winds decreasing (near gales from the SSW on Sun morning, light winds from the N by Tue 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. 3 hours ago	10° C	Light rain .	Calm (0 kph at 0).	8 km Mid: overcast
Cloverdale 34 km W 106m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 107).
Graton 35 km SSW 87m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 38).
Alten wx 36 km S 69m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 151).
Sebastopol 36 km SSW 129m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 101).
Camp Meeker wx 37 km SSW 61m alt. 44 minutes ago	9° C	Light rain.	Calm (0 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 41 minutes ago	9° C	Light rain.	Calm (0 kph at 0).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	10° C	Dry	Calm (2 kph at 270).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 300).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 348).

* 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.