– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Tue 21 Oct Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 21 Oct 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 Tue morning, min 14°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 5mm), mostly falling on Sat morning. Very mild (max 15°C on Fri morning, min 3°C on Sat night). Winds decreasing (near gales from the SW on Fri night, light winds from the WNW by Sun morning).
	Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	rain shwrs	rain shwrs	some clouds	some clouds	some clouds	some clouds
km/h	SE	SSE	S	SSE	NW	NW	NW	NW	NW	W	WSW	WSW	W	W	WNW	WNW	W	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	5	0.3	—	—	—	—
max°C	17	17	16	15	14	15	15	15	16	15	15	13	9	7	5	5	6	5
min°C	15	17	14	14	14	14	14	15	15	15	14	10	8	6	3	4	6	5
chill°C	15	17	14	14	13	13	13	14	15	14	12	6	3	1	-3	0	3	0

Freezing level (m)	4150	4050	3550	3350	3400	3500	3800	4000	4100	4000	4000	3750	3300	2900	3100	2350	2500	2300
Cloud base (m)		9150		3150	2800	9100	8400			8650	9100		400	750	900	5500	7900	2250

	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—
	—	6:23	—	—	6:22	—	—	6:21	—	—	6:20	—	—	6:19	—	—	6:16	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Tue morning, min 14°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Sat morning. Very mild (max 15°C on Fri morning, min 3°C on Sat night). Winds decreasing (near gales from the SW on Fri night, light winds from the WNW by Sun 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	27° C	Clear	Light winds from the SW (7 kph at 230).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	27° C	Dry	Wind obs. (8 kph from 133 degs) was rejected.
Cloverdale 34 km W 106m alt. 1 hour ago	29° C	Dry	Calm (3 kph at 202).
Graton 35 km SSW 87m alt. 46 minutes ago	24° C	Dry	Calm (3 kph at 207).
Alten wx 36 km S 69m alt. 49 minutes ago	20° C	Dry	Calm (3 kph at 191).
Sebastopol 36 km SSW 129m alt. 1 hour ago	23° C	Dry	Calm (3 kph at 238).
Guerneville wx 36 km SW 18m alt. 46 minutes ago	21° C	Dry	Calm (0 kph at 118).
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	24° C	Dry	Light winds from the SSW (6 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	25° C	Dry	Wind obs. (6 kph from 237 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 52 minutes ago	22° C	Dry	Calm (2 kph at 0).

* 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.