– Lat/Long: 38.67° N 122.63° W

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

Issued: 3 am Wed 21 Jan 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 11°C on Wed morning, min 7°C on Thu night). Winds increasing (calm on Thu night, strong winds from the NNE by Fri night).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun night). Winds decreasing (strong winds from the NE on Sat morning, calm by Mon afternoon).
	Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	3450	3250	2850	3000	3100	3050	2650	2800	2700	2750	2800	2900	2700	2550	2450	2450	2500	2650
Cloud base (m)	5700	4700	3150	2650	4700	5350			9350			8600	6350	5750	4700	8050	9300

	7:24	—	—	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 morning, min 7°C on Thu night). Winds increasing (calm on Thu night, strong winds from the NNE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun night). Winds decreasing (strong winds from the NE on Sat morning, 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	5° C	Fog -.	Wind obs. (9 kph from 240 degs) was rejected.	0 km
Santa Rosa 30 km S 40m alt. 23 minutes ago	6° C	Dry	Calm (0 kph at 96).
Cloverdale 34 km W 106m alt. 56 minutes ago	7° C	Dry	Calm (2 kph at 109).
Graton 35 km SSW 87m alt. 22 minutes ago	7° C	Dry	Calm (2 kph at 31).
Alten wx 36 km S 69m alt. 22 minutes ago	7° C	Dry	Calm (0 kph at 103).
Sebastopol 36 km SSW 129m alt. 20 minutes ago	9° C	Dry	Calm (0 kph at 246).
Guerneville wx 36 km SW 18m alt. 31 minutes ago		-	Calm (0 kph at 156).
Camp Meeker wx 37 km SSW 61m alt. 27 minutes ago	9° C	Dry	Calm (0 kph at 315).
Camp Meeker wx 37 km SSW 61m alt. 28 minutes ago	8° C	Dry	Calm (2 kph at 354).
Knowles Corner wx 37 km S 88m alt. 32 minutes ago	7° 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.