– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 am Thu 22 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 22 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 17°C on Thu morning, min 6°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 5mm), mostly falling on Tue night. Very mild (max 12°C on Sun morning, min 8°C on Sun night). Wind will be generally light.
	Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	light rain
km/h	NE	WSW	ENE	ENE	NE	N	NNE	NE	NE	E	SSE	SSE	S	SSW	S	SE	SSE	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5
max °C	17	16	12	14	14	10	14	14	9	12	12	9	12	12	9	12	12	9
min °C	14	13	9	11	11	8	12	10	6	10	9	8	10	10	8	11	10	8
chill °C	14	13	9	11	10	6	10	8	4	9	9	7	9	9	7	10	9	5

Freezing level m	2950	3050	3150	3050	2900	2750	2600	2650	2800	2650	2600	2350	2300	2200	2200	2500	2450	2300
Cloud base (m)	3050		9250							7000	6150	4950	900	850	600	6450		3150

	7:22	—	—	7:22	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:20	—	—
	—	5:21	—	—	5:22	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:25	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Thu morning, min 6°C on Sat night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 12°C on Sun morning, min 8°C on Sun 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	7° C	Clear	Light winds from the N (9 kph at 350).	16 km
Santa Rosa 30 km S 40m alt. 59 minutes ago	8° C	Dry	Calm (0 kph at 202).
Cloverdale 34 km W 106m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 342).
Graton 35 km SSW 87m alt. 38 minutes ago	8° C	Dry	Calm (0 kph at 30).
Alten wx 36 km S 69m alt. 51 minutes ago	10° C	Dry	Calm (0 kph at 180).
Sebastopol 36 km SSW 129m alt. 52 minutes ago	11° C	Dry	Calm (0 kph at 309).
Guerneville wx 36 km SW 18m alt. 55 minutes ago		-	Calm (0 kph at 42).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 90).
Camp Meeker wx 37 km SSW 61m alt. 34 minutes ago	10° C	Dry	Calm (0 kph at 317).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	6° 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.