– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Wed 24 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 24 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mild with heavy rain (total 26mm), heaviest during Wed afternoon. Becoming colder with a moderate fall of snow heaviest on Wed night. Temperatures will be slightly above freezing (max 4°C on Wed afternoon, min 1°C on Wed night). Winds decreasing (extremely windy from the S on Wed night, light winds from the ENE by Fri night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Mon morning, min 2°C on Sat morning). Winds decreasing (fresh winds from the NE on Mon morning, calm by Mon night).
	Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	mod. rain	light snow	snow shwrs	light snow	snow shwrs	mod. rain	rain shwrs	some clouds	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear
km/h	SW	S	S	SSW	S	SSW	S	SW	S	NE	N	NNE	NNE	NNE	NNE	NNE	NE	ENE
See all weather maps
cm	—	—	5	2	5	3	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.5	10	7	—	—	—	7	1.7	—	0.2	0.1	—	—	—	—	—	—	—
max °C	3	4	4	1	2	2	3	2	2	3	3	6	9	9	10	13	13	12
min °C	2	3	1	1	1	1	3	2	2	2	3	4	8	9	9	12	11	11
chill °C	-4	-3	-8	-8	-8	-8	-5	-4	-4	-1	0	0	5	7	6	9	8	9

Freezing level m	1800	1800	1950	1400	1650	1450	1750	1700	1650	1700	1900	2850	3200	3250	3450	3600	3900	3900
Cloud base (m)	400	600	450	750	500	750	400	400	400	850	950		7100	6800

	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: Mild with heavy rain (total 26mm), heaviest during Wed afternoon. Becoming colder with a moderate fall of snow heaviest on Wed night. Temperatures will be slightly above freezing (max 4°C on Wed afternoon, min 1°C on Wed night). Winds decreasing (extremely windy from the S on Wed night, light winds from the ENE by Fri night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Mon morning, min 2°C on Sat morning). Winds decreasing (fresh winds from the NE on Mon morning, calm by Mon 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	12° C	Dry and partly cloudy.	Light winds from the SW (7 kph at 230).	16 km Low: scattered
Cloverdale 34 km W 106m alt. 2 hours ago	11° C	Dry	Calm (2 kph at 49).
Graton 35 km SSW 87m alt. 35 minutes ago	11° C	Dry	Calm (2 kph at 34).
Alten wx 36 km S 69m alt. 41 minutes ago	11° C	Dry	Calm (0 kph at 203).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 292).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	11° C	Dry	Calm (2 kph at 90).
Cotati 41 km S 94m alt. 50 minutes ago	11° C	Dry	Calm (0 kph at 303).
Occidental 43 km SSW 298m alt. 50 minutes ago	9° C	Dry	Calm (0 kph at 225).
Cazadero 46 km SW 600m alt. 48 minutes ago	8° C	Dry	Calm (0 kph at 88).

* 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.