– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Sat 17 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 17 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Tue afternoon, min 8°C on Thu afternoon). Winds increasing (calm on Tue night, fresh winds from the NE by Thu night).
	Sat 17		Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear
km/h	NNE	NW	W	NW	NNW	NNE	NNE	NE	ENE	N	NNE	NW	WNW	WNW	NW	NW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	16	15	15	15	14	15	15	14	13	13	12	12	12	11	11	10	8
min °C	15	14	15	14	13	14	14	12	13	13	11	12	12	10	11	8	8
chill °C	15	14	15	13	12	13	12	11	13	13	11	12	12	9	9	5	4

Freezing level m	3950	3800	3800	3750	3700	3750	3800	3750	3700	3650	3650	3650	3650	3500	3200	3200	3000
Cloud base (m)	9150	6950	9000	6750	8650	9000		9400	8150	9100	9250	8400	8550	6300	6350

	—	—	7:24	—	—	7:24	—	—	7:24	—	—	7:24	—	—	7:22	—	—
	5:15	—	—	5:15	—	—	5:16	—	—	5:17	—	—	5:20	—	—	5:21	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Mon night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Tue afternoon, min 8°C on Thu afternoon). Winds increasing (calm on Tue night, fresh winds from the NE by Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 3 hours ago	9° C	Mist -.	Calm (0 kph at 0).	8 km
Santa Rosa 30 km S 40m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 105).
Cloverdale 34 km W 106m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 107).
Graton 35 km SSW 87m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 131).
Sebastopol 36 km SSW 129m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 138).
Guerneville wx 36 km SW 18m alt. 1 hour ago		-	Calm (0 kph at 204).
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. 49 minutes ago	9° C	Dry	Calm (0 kph at 260).
Knowles Corner wx 37 km S 88m alt. 1 hour 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.