– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Tue 03 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 16°C on Tue morning, min 5°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Sun morning, min 9°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri morning, calm by Sun afternoon).
	Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear
km/h	E	WSW	WNW	NW	NW	N	N	NNW	N	NNE	NNE	NNE	NNE	NE	NE	NNE	N	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	16	16	11	13	12	6	14	15	9	14	15	10	17	17	14	20	20	16
min °C	14	12	8	12	8	5	11	10	7	12	12	9	15	14	13	18	17	14
chill °C	14	12	5	10	5	2	9	9	4	9	10	6	13	12	11	18	17	14

Freezing level m	3500	3500	3250	2300	2050	2200	2500	2650	2800	2550	2600	2750	3300	3500	3800	3900	4000	3900
Cloud base (m)		8850			1550					8850	6850		8300		7150	9200	9300	9550

	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	—	6:05	—	—	6:06	—	—	6:07	—	—	6:07	—	—	6:08	—	—	7:09	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Tue morning, min 5°C on Wed night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Sun morning, min 9°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri 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	16° C	-	Light winds from the SW (9 kph at 230).	16 km Low: few
Santa Rosa 30 km S 40m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 184).
Cloverdale 34 km W 106m alt. 1 hour ago	20° C	Dry	Calm (3 kph at 234).
Graton 35 km SSW 87m alt. 27 minutes ago	19° C	Dry	Calm (5 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 114).
Sebastopol 36 km SSW 129m alt. 1 hour ago	18° C	Dry	Calm (3 kph at 174).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	22° C	Dry	Wind obs. (6 kph from 158 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	18° C	Dry	Calm (2 kph at 265).
Knowles Corner wx 37 km S 88m alt. 39 minutes ago	18° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 341).

* 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.