– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Wed 04 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Wed 04 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 17°C on Fri morning, min 5°C on Wed night). Winds increasing (light winds from the NW on Thu afternoon, fresh winds from the NNE by Fri night).									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Sun morning, min 12°C on Mon night). Winds decreasing (fresh winds from the NNE on Sat morning, calm by Sun afternoon).
	Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	NW	NNW	N	NW	N	NNE	N	NNE	NNE	NNE	NNE	N	WSW	NNE	W	W	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	12	12	6	14	15	9	17	17	13	18	18	15	20	20	15	19	20	14
min °C	10	8	5	11	10	8	14	13	11	15	15	13	18	16	13	17	16	12
chill °C	7	5	3	9	8	6	13	11	8	13	14	12	18	16	13	17	16	12

Freezing level m	2000	2050	2100	2400	2650	2750	2900	2850	3300	3450	3600	3950	3900	3900	3850	3850	3800	3700
Cloud base (m)	600					9400	6250	5050		9200		7700

	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—	6:30	—	—
	—	6:06	—	—	6:07	—	—	6:07	—	—	6:08	—	—	7:09	—	—	6:10	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Fri morning, min 5°C on Wed night). Winds increasing (light winds from the NW on Thu afternoon, fresh winds from the NNE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Sun morning, min 12°C on Mon night). Winds decreasing (fresh winds from the NNE on Sat morning, calm by Sun afternoon).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	18° C	Dry and partly cloudy.	Moderate winds from the NW (26 kph at 310).	16 km Low: scattered
Santa Rosa 30 km S 40m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 210).
Cloverdale 34 km W 106m alt. 2 hours ago	17° C	Dry	Wind obs. (11 kph from 244 degs) was rejected.
Graton 35 km SSW 87m alt. 57 minutes ago	18° C	Dry	Wind obs. (10 kph from 36 degs) was rejected.
Alten wx 36 km S 69m alt. 32 minutes ago	18° C	Dry	Calm (0 kph at 251).
Sebastopol 36 km SSW 129m alt. 55 minutes ago	19° C	Dry	Calm (2 kph at 324).
Camp Meeker wx 37 km SSW 61m alt. 26 minutes ago	22° C	Dry	Wind obs. (8 kph from 203 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	19° C	Dry	Calm (5 kph at 314).
Knowles Corner wx 37 km S 88m alt. 49 minutes ago	17° C	Dry	Calm (3 kph at 90).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 317).

* 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.