– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Tue 23 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 23 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 89mm), heaviest during Thu night. Very mild (max 13°C on Tue night, min 6°C on Thu night). Winds decreasing (gales from the S on Tue night, light winds from the S by Fri afternoon).										Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Very mild (max 14°C on Mon morning, min 7°C on Fri night). Wind will be generally light.
		Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	light rain	light rain	heavy rain	light rain	mod. rain	rain shwrs	mod. rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
km/h	SSE	SW	SSE	S	SSW	S	SSW	S	S	SE	ENE	NNE	N	NNE	NE	NE	ENE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	29	0.7	3	18	2	10	16	7	3	2	—	—	—	—	—	—	—	—	—
max °C	13	9	9	10	8	8	7	8	8	7	10	10	7	13	12	8	14	13	9
min °C	8	8	9	7	7	8	6	7	7	7	8	8	7	10	9	7	10	10	9
chill °C	4	6	6	2	2	3	1	2	4	4	7	7	5	9	7	5	9	9	8

Freezing level m	2650	1750	1850	1900	1500	1600	1450	1550	1700	1650	1750	2000	2800	3100	3150	3400	3500	3600	3650
Cloud base (m)	300	400	700	450	600	550	550	400	350	400	800	1550		7100

	—	7:26	—	—	7:26	—	—	7:26	—	—	7:26	—	—	7:26	—	—	7:26	—	—
	—	—	4:53	—	—	4:53	—	—	4:54	—	—	4:55	—	—	4:55	—	—	4:57	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Heavy rain (total 89mm), heaviest during Thu night. Very mild (max 13°C on Tue night, min 6°C on Thu night). Winds decreasing (gales from the S on Tue night, light winds from the S by Fri afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 14°C on Mon morning, min 7°C on Fri night). Wind will be generally light.

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	14° C	Light rain .	Fresh winds from the SE (31 kph at 140).	16 km Low: broken Mid: overcast
Cloverdale 34 km W 106m alt. 2 hours ago	13° C	Light rain.	Light winds from the SE (10 kph at 134).
Graton 35 km SSW 87m alt. 1 hour ago	14° C	Dry	Wind obs. (6 kph from 34 degs) was rejected.
Alten wx 36 km S 69m alt. 41 minutes ago	14° C	Light rain.	Calm (3 kph at 106).
Sebastopol 36 km SSW 129m alt. 1 hour ago	14° C	Dry	Wind obs. (10 kph from 67 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 57 minutes ago	14° C	Dry	Light winds from the SW (10 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	14° C	Light rain.	Calm (5 kph at 166).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	14° C	Dry	Wind obs. (6 kph from 315 degs) was rejected.
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 344).
Cotati 41 km S 94m alt. 1 hour ago	13° C	Light rain.	Calm (2 kph at 182).

* 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.