– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 pm Mon 15 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 15 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 2mm), mostly falling on Tue night. Very mild (max 13°C on Mon night, min 7°C on Wed morning). Winds decreasing (near gales from the W on Tue night, light winds from the NW by Wed afternoon).										Days 5–7 Weather Summary Heavy rain (total 34mm), heaviest during Sat afternoon. Very mild (max 10°C on Sat morning, min 6°C on Thu night). Mainly near gales.
		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	light rain	light rain	rain shwrs	clear	clear	some clouds	some clouds	clear	rain shwrs	light rain	cloudy	light rain	heavy rain	heavy rain	light rain	light rain	mod. rain
km/h	NW	WNW	WNW	W	WNW	NW	W	WNW	W	W	W	WSW	W	SW	SW	WSW	SW	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	1.7	0.5	—	—	—	—	—	0.1	0.3	—	0.1	12	16	5	1.5	6
max°C	13	12	11	11	8	12	12	10	10	9	8	9	9	10	8	10	9	9	9
min°C	13	12	11	10	7	11	10	10	9	6	7	8	8	8	8	9	9	8	7
chill°C	11	10	8	5	3	8	7	7	5	1	2	4	4	5	3	4	4	3	1

Freezing level (m)	3700	3550	3500	3450	3350	3750	3700	3850	3950	3750	3500	3250	3250	3200	3300	3250	3100	3050	2750
Cloud base (m)	4000	2250	900	400	450		3950		800	7150	450	400	450	2500	800	350	350	350	350

	—	7:20	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—
	—	—	4:50	—	—	4:50	—	—	4:51	—	—	4:51	—	—	4:52	—	—	4:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 2mm), mostly falling on Tue night. Very mild (max 13°C on Mon night, min 7°C on Wed morning). Winds decreasing (near gales from the W on Tue night, light winds from the NW by Wed afternoon).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 34mm), heaviest during Sat afternoon. Very mild (max 10°C on Sat morning, min 6°C on Thu night). Mainly near gales.

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	5° C	Mist -.	Calm (0 kph at 0).	8 km
Santa Rosa 30 km S 40m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 46).
Cloverdale 34 km W 106m alt. 48 minutes ago	7° C	Dry	Calm (0 kph at 106).
Graton 35 km SSW 87m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 123).
Sebastopol 36 km SSW 129m alt. 59 minutes ago	6° C	Dry	Calm (0 kph at 223).
Guerneville wx 36 km SW 18m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 163).
Camp Meeker wx 37 km SSW 61m alt. 52 minutes ago	6° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 51 minutes ago	6° C	Dry	Calm (0 kph at 301).
Knowles Corner wx 37 km S 88m alt. 2 hours ago	7° 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.