– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Wed 21 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 21 Jan 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 11°C on Wed afternoon, min 7°C on Fri morning). Winds increasing (calm on Wed night, strong winds from the NNE by Fri night).											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the ENE on Sat afternoon, calm by Mon afternoon).
	Wed 21		Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	some clouds	cloudy	some clouds	clear
km/h	WSW	NNE	ENE	NW	ENE	ENE	NNE	NNE	NE	NE	ENE	SSE	SSW	SSW	SSW	W	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	11	11	11	10	8	8	8	8	8	7	7	6	5	6	6	6
min °C	10	9	11	11	8	7	8	7	7	8	6	6	5	4	5	6	5
chill °C	10	8	11	9	7	5	6	3	3	4	3	3	2	2	3	5	5

Freezing level m	3250	3000	3000	3100	3200	2950	2900	2750	2600	2650	2800	2500	2300	2300	2250	2250	2600
Cloud base (m)	4650	2950	3150	5950							6900	6250	5900		5900	6000

	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:20	—	—	7:20	—	—
	5:20	—	—	5:21	—	—	5:22	—	—	5:22	—	—	5:23	—	—	5:24	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 11°C on Wed afternoon, min 7°C on Fri morning). Winds increasing (calm on Wed night, strong winds from the NNE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the ENE on Sat afternoon, calm by Mon afternoon).

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	9° C	Haze -.	Wind obs. (9 kph from 360 degs) was rejected.	13 km
Santa Rosa 30 km S 40m alt. 59 minutes ago	9° C	Dry	Calm (0 kph at 63).
Cloverdale 34 km W 106m alt. 3 hours ago	12° C	Dry	Calm (2 kph at 97).
Graton 35 km SSW 87m alt. 51 minutes ago	9° C	Dry	Calm (0 kph at 36).
Alten wx 36 km S 69m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 165).
Sebastopol 36 km SSW 129m alt. 54 minutes ago	7° C	Dry	Calm (0 kph at 166).
Guerneville wx 36 km SW 18m alt. 1 hour ago		-	Calm (0 kph at 118).
Camp Meeker wx 37 km SSW 61m alt. 27 minutes ago	9° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 44 minutes ago	9° C	Dry	Calm (0 kph at 288).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	10° C	Dry	Calm (0 kph at —).

* 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.