– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Tue 06 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Tue 06 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 9°C on Fri morning, min -1°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, gales from the NW by Wed night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 15°C on Mon morning, min 7°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the NNE by Mon morning).
	Tue 6		Wednesday 7			Thursday 8			Friday 9			Saturday 10			Sunday 11
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	clear	some clouds	clear
km/h	WSW	W	NNW	WNW	NW	NNE	NNE	NNE	NE	NNE	NE	NE	NE	N	NNW	NNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	4	5	3	0	1	2	7	9	9	7	9	10	10	12	13	12
min °C	5	3	4	1	-1	0	2	3	8	8	7	8	9	9	11	12	12
chill °C	3	-2	-2	-8	-11	-6	-4	-4	5	5	4	7	8	8	10	10	10

Freezing level m	2500	2250	2100	1900	1250	1300	1600	2550	2600	2850	2950	3050	3150	3350	3400	3450	3350
Cloud base (m)	800	950	7600	1500	750	600									7600

	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—
	5:04	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:07	—	—	5:08	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Freeze-thaw conditions (max 9°C on Fri morning, min -1°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, gales from the NW by Wed night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 15°C on Mon morning, min 7°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the NNE by Mon morning).

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	11° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Cloverdale 34 km W 106m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 48).
Graton 35 km SSW 87m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 35).
Alten wx 36 km S 69m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 97).
Sebastopol 36 km SSW 129m alt. 26 minutes ago	9° C	Dry	Calm (0 kph at 330).
Camp Meeker wx 37 km SSW 61m alt. 37 minutes ago	9° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 279).
Knowles Corner wx 37 km S 88m alt. 40 minutes ago	10° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 55 minutes ago	9° C	Dry	Calm (0 kph at 8).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	10° C	Dry	Calm (2 kph at 149).

* 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.