– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Mon 29 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 29 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 14°C on Wed afternoon, min 9°C on Mon night). Mainly fresh winds.											Days 5–7 Weather Summary Moderate rain (total 10mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 13°C on Thu afternoon, min 0°C on Sun morning). Winds increasing (calm on Fri morning, strong winds from the WSW by Fri night).									Days 8–10 Weather Summary Mostly dry. Mild temperatures (max 9°C on Tue afternoon, min 3°C on Sun afternoon). Winds increasing (calm on Sun afternoon, near gales from the NNE by Wed morning).									Days 11–13 Weather Summary Mostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Wed night). Winds decreasing (strong winds from the NE on Wed night, calm by Thu night).
	Mon 29		Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Sat 11
	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

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	mod. rain	light snow	light snow	light snow	snow shwrs	rain shwrs	some clouds	cloudy	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NNW	NNW	NNW	NW	NNE	N	NW	NNE	NW	NW	N	W	WNW	SW	SW	SSW	ESE	SE	NE	NW	NW	WNW	NNW	NNW	NNW	N	NNE	NNE	NE	E	E	N	NNW	WNW	NW	SW
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	5	5	1.0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	6	4	—	—	—	0.5	—	—	0.2	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	10	10	10	11	11	10	14	13	11	13	13	11	12	10	3	1	2	1	4	4	4	6	6	4	9	8	9	13	13	12	15	15	16	18	17	16
min°C	10	9	9	11	9	10	12	12	11	13	10	11	11	5	2	1	1	0	3	4	4	5	5	4	8	8	9	12	11	11	13	14	15	18	16	16
chill°C	7	9	6	9	7	8	11	10	10	11	10	11	8	0	-3	-4	-3	-6	1	1	-2	1	1	2	6	5	4	9	7	7	11	14	14	18	16	16

Freezing level (m)	3250	3300	3100	3150	3200	3050	3300	3300	3300	3400	3350	3300	3150	2850	1900	1650	1600	1400	2000	2350	2350	2700	2550	2300	3000	3250	3750	3650	3650	3550	3500	3500	3550	3650	3700	3650
Cloud base (m)							9050					9200		350	350	350	300	400	900	1750	600	750	9600

	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:05	—	—	6:03	—	—	6:03	—	—	6:01	—	—	6:01
	—	8:00	—	—	8:01	—	—	8:02	—	—	8:04	—	—	8:05	—	—	8:06	—	—	8:07	—	—	8:07	—	—	8:07	—	—	8:08	—	—	8:09	—	—	8:10	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 14°C on Wed afternoon, min 9°C on Mon night). Mainly fresh winds.

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 10mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 13°C on Thu afternoon, min 0°C on Sun morning). Winds increasing (calm on Fri morning, strong winds from the WSW by Fri night).

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Mild temperatures (max 9°C on Tue afternoon, min 3°C on Sun afternoon). Winds increasing (calm on Sun afternoon, near gales from the NNE by Wed morning).

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
Calistoga 12 km S 366m alt. 1 hour ago		-	Calm (0 kph at 0).
Middletown 12 km ENE 672m alt. 37 minutes ago	19° C	Dry	Calm (0 kph at 342).
Healdsburg 13 km SW 50.6m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 252).
Calistoga 14 km S 329m alt. 2 hours ago	18° C	Dry	Calm (0 kph at 124).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	19° C	Dry	Calm (5 kph at 315).

* 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.