– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Wed 04 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 04 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 19°C on Sat 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 5–7 Weather Summary Mostly dry. Warm (max 20°C on Sun morning, min 12°C on Mon night). Wind will be generally light.
	Wed 4		Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	N	N	NW	N	NNE	N	NNE	NNE	NNE	NNE	NNW	W	NNE	W	W	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	12	6	14	15	9	17	17	14	19	19	15	20	20	15	20	20	14
min °C	8	5	11	10	8	14	13	12	16	16	13	18	16	14	17	16	12
chill °C	5	2	9	8	5	13	11	10	15	15	12	18	16	14	17	16	12

Freezing level m	2000	2150	2400	2650	2800	2850	3000	3500	3400	3550	3950	3900	3950	4000	3900	3800	3650
Cloud base (m)	1600	450			9200	9050	8200			9200	8400					8800

	—	—	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 19°C on Sat 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). 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 10 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	Clear	Moderate winds from the NW (22 kph at 310).	16 km
Santa Rosa 30 km S 40m alt. 31 minutes ago	12° C	Dry	Wind obs. (16 kph from 257 degs) was rejected.
Cloverdale 34 km W 106m alt. 2 hours ago	11° C	Dry	Calm (5 kph at 5).
Graton 35 km SSW 87m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 34).
Alten wx 36 km S 69m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 254).
Sebastopol 36 km SSW 129m alt. 49 minutes ago	11° C	Dry	Calm (0 kph at 315).
Camp Meeker wx 37 km SSW 61m alt. 36 minutes ago	9° C	Dry	Calm (5 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 41 minutes ago	9° C	Dry	Calm (2 kph at 286).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	11° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 26 minutes ago	9° C	Dry	Calm (0 kph at 344).

* 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.