– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 9 am Mon 19 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 19 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 18°C on Mon morning, min 11°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Very mild (max 16°C on Thu morning, min 9°C on Fri night). Wind will be generally light.
	Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NNE	NNE	NE	NE	ENE	NNE	E	E	NNE	ESE	WNW	NNE	NE	NNE	NE	ENE	E	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	18	18	13	17	16	13	16	15	12	16	16	12	16	16	12	16	15	11
min °C	15	14	12	14	14	12	14	13	11	13	12	10	13	12	9	13	12	9
chill °C	15	14	12	14	14	12	14	13	11	13	12	10	13	10	6	12	12	9

Freezing level m	3750	3750	3750	3650	3600	3500	3250	3150	2850	2700	3050	3250	3250	3250	3250	3550	3500	3550
Cloud base (m)				6200	6000	6500	5500	4900	2950	2950	3900	5150	5900		8650

	7:24	—	—	7:24	—	—	7:24	—	—	7:22	—	—	7:22	—	—	7:22	—	—
	—	5:16	—	—	5:17	—	—	5:20	—	—	5:21	—	—	5:22	—	—	5:22	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 18°C on Mon morning, min 11°C on Wed night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Thu morning, min 9°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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	17° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 30 km S 40m alt. 47 minutes ago	19° C	Dry	Calm (0 kph at 103).
Cloverdale 34 km W 106m alt. 3 hours ago	18° C	Dry	Wind obs. (8 kph from 348 degs) was rejected.
Graton 35 km SSW 87m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 31).
Alten wx 36 km S 69m alt. 2 hours ago	18° C	Dry	Calm (0 kph at 172).
Sebastopol 36 km SSW 129m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 191).
Guerneville wx 36 km SW 18m alt. 3 hours ago		-	Calm (0 kph at 233).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	20° C	Dry	Calm (5 kph at 68).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	17° C	Dry	Calm (2 kph at 20).
Knowles Corner wx 37 km S 88m alt. 3 hours ago	10° 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.