– 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 Some drizzle, heaviest during Thu morning. Freeze-thaw conditions (max 7°C on Sat morning, min 0°C on Thu night). Winds decreasing (fresh winds from the NW on Thu morning, calm by Thu night).									Days 4–6 Weather Summary Heavy rain (total 50mm), heaviest during Mon night. Very mild (max 14°C on Mon morning, min 7°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon night, calm 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

	rain shwrs	clear	some clouds	cloudy	some clouds	some clouds	some clouds	light rain	light rain	light rain	light rain	cloudy	cloudy	light rain	heavy rain	light rain	rain shwrs	clear
km/h	WNW	NW	NNW	E	SSE	SSE	SE	SSE	SSE	S	S	S	SSE	S	SSW	SSW	SW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.7	—	—	—	—	—	—	0.1	0.2	1.1	0.7	—	—	3	42	2	0.6	—
max °C	5	5	1	5	5	1	7	7	7	9	10	10	14	12	12	12	12	10
min °C	3	2	0	3	3	1	5	6	6	8	10	9	12	10	10	12	11	7
chill °C	-2	-3	-3	2	1	0	2	2	2	5	8	8	11	7	7	10	10	7

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: Some drizzle, heaviest during Thu morning. Freeze-thaw conditions (max 7°C on Sat morning, min 0°C on Thu night). Winds decreasing (fresh winds from the NW on Thu morning, calm by Thu night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 50mm), heaviest during Mon night. Very mild (max 14°C on Mon morning, min 7°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Tue night).

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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 S (6 kph at 180).	16 km Low: broken Mid: broken High: overcast
Santa Rosa 30 km S 40m alt. 55 minutes ago	6° C	Dry	Calm (0 kph at 26).
Cloverdale 34 km W 106m alt. 23 minutes ago	6° C	Dry	Calm (2 kph at 344).
Graton 35 km SSW 87m alt. 28 minutes ago	5° C	Dry	Calm (2 kph at 38).
Alten wx 36 km S 69m alt. 40 minutes ago	6° C	Dry	Calm (2 kph at 148).
Sebastopol 36 km SSW 129m alt. 46 minutes ago	6° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 49 minutes ago	5° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 43 minutes ago	4° C	Dry	Calm (2 kph at 292).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	7° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 341).

* 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.