– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Mon 22 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 22 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 night, min 4°C on Thu afternoon). Winds increasing (light winds from the WSW on Wed afternoon, fresh winds from the W by Thu afternoon).										Days 5–7 Weather Summary Some drizzle, heaviest during Thu night. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Fri morning). Mainly strong winds.									Days 8–10 Weather Summary Mostly dry. Freeze-thaw conditions (max 10°C on Mon afternoon, min -1°C on Tue night). Winds increasing (light winds from the WNW on Mon afternoon, strong winds from the W by Tue night).									Days 11–13 Weather Summary Mostly dry. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the WSW by Fri night).
		Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Sat 4
	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	PM

	clear	clear	clear	some clouds	clear	some clouds	some clouds	cloudy	cloudy	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	cloudy	rain shwrs	clear	clear	clear	clear	some clouds	some clouds	rain shwrs	clear	some clouds
km/h	S	SSE	S	SSE	SSE	W	NW	WNW	W	W	NW	NW	NNE	WNW	WNW	NW	NW	WNW	NW	NW	W	W	W	W	W	W	WNW	NNE	W	W	W	W	W	WSW	NNW	WNW
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	0.7	0.2	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	—	—	—	—	—	—	0.1	—	—
max°C	15	11	8	9	8	8	8	7	6	5	3	5	6	6	8	8	6	8	9	9	10	10	4	4	0	0	3	3	4	7	7	5	6	4	4	8
min°C	12	10	8	8	7	7	7	5	4	4	3	4	6	5	8	6	6	8	8	8	10	6	3	2	-1	-1	2	3	4	6	5	4	5	3	4	7
chill°C	10	8	6	6	5	6	4	1	-2	-2	-3	-2	2	5	5	2	2	5	4	5	8	2	-3	-4	-9	-9	-4	-1	3	4	1	0	0	-3	0	5

Freezing level (m)	3250	3250	3300	3150	2900	2950	2850	2450	2250	2150	1900	2150	2550	2750	2850	2850	2500	2850	3050	2950	3000	2850	1800	1650	1100	1300	1700	2000	2200	2500	2650	2450	2250	2200	2300	2750
Cloud base (m)	350	450	9050	450		1500	400	650	950	350	450	800		9000	3500	8850					7600		800	1800	450	550	850		5500	1950			1800	400

	—	6:22	—	—	6:20	—	—	6:18	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—
	—	—	7:54	—	—	7:55	—	—	7:57	—	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01	—	—	8:02	—	—	8:04	—	—	8:05	—	8:06

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 15°C on Mon night, min 4°C on Thu afternoon). Winds increasing (light winds from the WSW on Wed afternoon, fresh winds from the W by Thu afternoon).

Mount Saint Helena Weather (Days 3-6):

Some drizzle, heaviest during Thu night. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Fri morning). Mainly strong winds.

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Freeze-thaw conditions (max 10°C on Mon afternoon, min -1°C on Tue night). Winds increasing (light winds from the WNW on Mon afternoon, strong winds from the W by Tue 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 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. 47 minutes ago	13° C	Dry	Calm (0 kph at 238).
Healdsburg 13 km SW 50.6m alt. 56 minutes ago	12° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 198).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 301).

* 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.