– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Thu 19 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 19 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Sat night, min -3°C on Thu morning). Winds increasing (light winds from the N on Thu night, gales from the SSW by Sat night).									Days 4–6 Weather Summary Heavy rain (total 50mm), heaviest during Mon night. Mild temperatures (max 8°C on Mon morning, min 5°C on Sun morning). Winds decreasing (severe gales from the SSW on Mon night, light winds from the WSW by Tue night).
	Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	light rain	light rain	light rain	cloudy	cloudy	light rain	heavy rain	light rain	rain shwrs	clear
km/h	NW	NW	NNW	SE	SSW	S	SSE	S	S	SSW	S	S	S	SSW	SSW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.2	1.1	0.7	—	—	3	42	2	0.6	—
max °C	-3	-1	-1	-3	-2	-1	0	2	4	5	6	7	8	7	8	7	7	6
min °C	-3	-2	-3	-3	-2	-2	0	1	2	5	6	6	7	7	7	7	6	5
chill °C	-12	-12	-6	-6	-5	-8	-7	-7	-5	-2	0	0	3	1	1	2	3	1

Freezing level m	900	1050	650	950	1100	800	1350	1450	1950	2150	2300	3000	2950	3050	3150	3100	2950	2700
Cloud base (m)	350	550	500	400	800	750	800	750	600	450	450	600	1700	2300	350	350	400	8900

	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—
	—	5:52	—	—	5:53	—	—	5:54	—	—	5:55	—	—	5:57	—	—	5:58	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Freeze-thaw conditions (max 4°C on Sat night, min -3°C on Thu morning). Winds increasing (light winds from the N on Thu night, gales from the SSW by Sat night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 50mm), heaviest during Mon night. Mild temperatures (max 8°C on Mon morning, min 5°C on Sun morning). Winds decreasing (severe gales from the SSW on Mon night, light winds from the WSW 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	6° C	Light rain .	Light winds from the WSW (7 kph at 240).	14 km Low: broken Mid: overcast
Santa Rosa 30 km S 40m alt. 57 minutes ago	7° C	Dry	Wind obs. (10 kph from 229 degs) was rejected.
Cloverdale 34 km W 106m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 306).
Graton 35 km SSW 87m alt. 43 minutes ago	5° C	Dry	Calm (3 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	6° C	Dry	Calm (3 kph at 171).
Sebastopol 36 km SSW 129m alt. 48 minutes ago	6° C	Dry	Calm (5 kph at 328).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	5° C	Dry	Calm (5 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Wind obs. (11 kph from 241 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 36 minutes ago	6° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 22).

* 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.