– Lat/Long: 38.67° N 122.63° W

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

Issued: 10 am Mon 10 Aug Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 32°C on Mon afternoon, min 16°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 26°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light.
	Monday 10			Tuesday 11			Wednesday 12			Thursday 13			Friday 14			Saturday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)				7050		9300				7800	8700			9550			9350	9300
km/h	S	SW	WSW	S	SW	SW	SSE	SSW	SSW	SSE	SSW	SSE	SE	SSW	S	SSE	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	28	32	24	27	31	23	26	29	22	20	24	18	21	25	19	22	26	20
min °C	22	30	20	21	30	19	21	27	16	16	23	14	15	24	14	16	25	15
chill °C	22	30	20	21	30	19	21	27	16	16	23	14	15	24	14	16	25	15

Freezing level m	5050	5050	5000	4850	4900	4850	4700	4700	4500	4400	4450	4400	4300	4350	4400	4400	4500	4450

	6:18	—	—	6:20	—	—	6:20	—	—	6:22	—	—	6:22	—	—	6:24	—	—
	—	—	8:10	—	—	8:09	—	—	8:08	—	—	8:07	—	—	8:06	—	—	8:05

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 32°C on Mon afternoon, min 16°C on Wed night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Sat afternoon, min 14°C on Thu 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	23° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
Cloverdale 34 km W 106m alt. 2 hours ago	27° C	Dry	Calm (5 kph at 273).
Graton 35 km SSW 87m alt. 44 minutes ago	26° C	Dry	Calm (5 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	21° C	Dry	Calm (5 kph at 152).
Sebastopol 36 km SSW 129m alt. 1 hour ago	23° C	Dry	Calm (5 kph at 251).
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	27° C	Dry	Wind obs. (11 kph from 248 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 58 minutes ago	22° C	Dry	Calm (3 kph at 292).
Camp Meeker wx 39 km SSW 61m alt. 31 minutes ago	22° C	Dry	Calm (0 kph at 23).
Cotati 41 km S 94m alt. 1 hour ago	24° C	Dry	Wind obs. (11 kph from 277 degs) was rejected.
Cazadero 46 km SW 600m alt. 53 minutes ago	29° C	Dry	Calm (0 kph at 192).

* 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.