– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Sat 24 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sat 24 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. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun night). Winds decreasing (near gales from the NE on Sat morning, calm by Sun morning).									Days 4–6 Weather Summary Mostly dry. Very mild (max 10°C on Thu morning, min 4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night).
	Saturday 24			Sunday 25			Monday 26			Tuesday 27			Wednesday 28			Thursday 29
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	cloudy	some clouds	some clouds	clear	clear	some clouds	cloudy	clear	clear	clear	some clouds	clear	some clouds	cloudy
km/h	NE	NE	NNE	WSW	WNW	SSW	S	S	SSE	S	SW	W	SW	NW	NW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	9	9	8	7	7	6	6	5	5	4	6	7	8	7	10	10	10
min °C	9	9	8	7	7	5	5	6	5	4	4	5	7	7	7	9	10	10
chill °C	4	5	6	6	7	2	0	2	0	-1	-1	2	7	5	4	6	8	8

Freezing level m	2750	2750	2750	2750	2600	2400	2350	2650	2800	2800	2300	2700	2750	2750	3000	2950	3250	3300
Cloud base (m)			8900	6500	5700	4450	3650	8900		8550	800	1700	8100	7650	7200	8450	9200	5700

	7:22	—	—	7:20	—	—	7:20	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	—	5:22	—	—	5:23	—	—	5:24	—	—	5:25	—	—	5:27	—	—	5:29	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun night). Winds decreasing (near gales from the NE on Sat morning, calm by Sun morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Thu morning, min 4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night).

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	Clear	Wind obs. (7 kph from 150 degs) was rejected.	16 km
Santa Rosa 30 km S 40m alt. 44 minutes ago	17° C	Dry	Calm (0 kph at 143).
Cloverdale 34 km W 106m alt. 1 hour ago	16° C	Dry	Light winds from the N (8 kph at 355).
Graton 35 km SSW 87m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 36).
Alten wx 36 km S 69m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 203).
Sebastopol 36 km SSW 129m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 355).
Guerneville wx 36 km SW 18m alt. 1 hour ago		-	Calm (0 kph at 153).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	19° C	Dry	Calm (5 kph at 338).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	17° C	Dry	Calm (2 kph at 313).
Knowles Corner wx 37 km S 88m alt. 37 minutes 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.