– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Thu 25 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 25 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 17°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 20°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 21°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light.									Days 11–13 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 25°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.
	Thu 25		Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tue 7
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM

	cloudy	light rain	rain shwrs	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	cloudy	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	WNW	NW	NW	NNW	WNW	NW	N	W	WNW	NNW	NW	NW	NNW	NW	WNW	N	W	WSW	NW	SW	W	NW	SW	WSW	W	WSW	WSW	NNE	NW	W	N	N	W	NW	S
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	0.1	0.3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.5	2	0.3	—	—	—	—	—	—	—
max°C	16	11	12	13	10	13	17	13	15	18	12	14	18	13	16	20	15	19	21	16	18	20	15	14	15	11	8	9	7	14	19	15	22	25	20	19
min°C	14	8	9	13	7	9	16	9	11	16	7	10	17	9	11	19	12	14	21	12	14	19	10	11	15	7	7	8	6	9	19	13	17	24	15	16
chill°C	12	5	6	11	7	9	16	7	11	15	6	9	17	7	10	19	12	14	21	12	14	19	10	11	15	5	6	6	4	8	19	13	17	24	15	16

Freezing level (m)	2600	2150	2000	2250	2650	2950	3100	2900	3100	3100	3200	3350	3500	3500	3350	3400	3550	3500	3550	3350	3250	3250	3100	2950	2900	2550	1500	1550	2050	3050	2950	3500	3700	3850	3900	3900
Cloud base (m)	1750	550	550	1800			5950	2600									9600	8900	9550		6250	5750			800	350	650	550	6900	2700	2700			8800

	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:05
	7:57	—	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01	—	—	8:02	—	—	8:04	—	—	8:05	—	—	8:06	—	—	8:07	—	—	8:07	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light.

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Warm (max 21°C on Wed afternoon, min 7°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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Calistoga 12 km S 366m alt. 2 hours ago		-	Calm (0 kph at 0).
Middletown 12 km ENE 672m alt. 2 hours ago	18° C	Dry	Calm (2 kph at 321).
Healdsburg 13 km SW 50.6m alt. 2 hours ago	19° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 54 minutes ago	18° C	Dry	Calm (0 kph at 5).
Hidden Valley Lake 16 km NNE 343m alt. 54 minutes ago	18° C	Dry	Calm (5 kph at 329).

* 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.