– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Tue 19 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 19 May 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 19°C on Thu afternoon, min 14°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 19°C on Fri afternoon, min 15°C on Sat afternoon). Wind will be generally light.
	Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24
	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	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NNE	W	WNW	S	SW	SSE	SE	WSW	NW	SSE	SW	SW	S	SW	SW	S	SW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	18	17	17	18	18	18	19	19	18	19	18	16	17	16	15	17	17
min °C	14	18	17	17	18	17	17	19	18	18	18	16	16	15	15	15	16	16
chill °C	13	18	16	17	18	17	17	19	18	18	18	16	15	14	14	14	16	16

Freezing level m	3300	3350	3650	3600	3750	3900	3950	4050	3950	4000	4100	4100	4050	4100	4000	4000	4100	4150
Cloud base (m)			9500	6000													9200

	5:54	—	—	5:54	—	—	5:54	—	—	5:52	—	—	5:52	—	—	5:52	—	—
	—	—	8:17	—	—	8:19	—	—	8:20	—	—	8:21	—	—	8:22	—	—	8:22

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 19°C on Thu afternoon, min 14°C on Tue morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Fri afternoon, min 15°C on Sat afternoon). Wind will be generally light.

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	31° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 30 minutes ago	30° C	Dry	Calm (2 kph at 173).
Cloverdale 34 km W 106m alt. 51 minutes ago	31° C	Dry	Light winds from the W (11 kph at 280).
Graton 35 km SSW 87m alt. 52 minutes ago	28° C	Dry	Wind obs. (10 kph from 31 degs) was rejected.
Alten wx 36 km S 69m alt. 54 minutes ago	29° C	Dry	Calm (3 kph at 184).
Sebastopol 36 km SSW 129m alt. 26 minutes ago	29° C	Dry	Calm (3 kph at 163).
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	31° C	Dry	Light winds from the W (8 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	28° C	Dry	Wind obs. (10 kph from 274 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 1 hour ago	29° C	Dry	Calm (3 kph at 158).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	26° C	Dry	Calm (0 kph at 48).

* 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.