– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Fri 18 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 18 Apr 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 15°C on Mon afternoon, min 11°C on Sat morning). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Very mild (max 15°C on Mon night, min 9°C on Wed night). Wind will be generally light.
		Saturday 19			Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds
km/h	N	WSW	WSW	E	SSW	WNW	NNE	NE	WNW	WNW	W	W	NE	ENE	E	N	W	W	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	12	11	12	12	12	13	14	12	15	15	13	14	13	10	12	11	9	10	10
min°C	12	11	12	11	12	13	11	12	15	14	13	13	11	10	11	9	9	9	9
chill°C	10	10	11	11	12	12	9	10	15	14	13	11	10	9	11	9	9	8	6

Freezing level (m)	3700	3600	3500	3250	3450	3450	3450	3450	3500	3450	3350	3350	3350	3250	3300	3200	3100	3150	3000
Cloud base (m)					9200							8300		8250	8400		6250	9350

	—	6:28	—	—	6:26	—	—	6:26	—	—	6:24	—	—	6:22	—	—	6:22	—	—
	—	—	7:50	—	—	7:51	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 15°C on Mon afternoon, min 11°C on Sat morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 15°C on Mon night, min 9°C on Wed night). Wind will be generally light.

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
Healdsburg 13 km SW 50.6m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 37 minutes ago	8° C	Dry	Calm (0 kph at 341).
Hidden Valley Lake 16 km NNE 343m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 70).
Angwin 19 km ESE 510m alt. 39 minutes ago	7° C	Dry	Calm (0 kph at 275).
Windsor 19 km SSW 42m alt. 37 minutes ago	9° C	Dry	Calm (0 kph at 0).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 225).
Saint Helena 20 km SE 84m alt. 2 hours ago	11° C	Dry	Calm (0 kph at 5).
Santa Rosa 21 km S 52m alt. 51 minutes ago	8° C	Dry	Calm (0 kph at 0).
Hobergs wx 21 km NW 912m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 38).
Larkfield wx 21 km S 75m alt. 40 minutes ago	8° C	Dry	Calm (0 kph at 0).

* 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.