– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 pm Thu 13 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 13 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary A light fall of snow, heaviest on Thu night. Turning milder with light rain (total 3mm) on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun morning, min -3°C on Thu night). Winds increasing (light winds from the W on Sat morning, gales from the SW by Sun afternoon).										Days 5–7 Weather Summary Moderate rain (total 10mm) heaviest on Sun night, then becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Wed morning, min -1°C on Mon morning). Mainly near gales.									Days 8–10 Weather Summary A dusting of snow. Milder later with heavy rain (total 21mm) on Fri night. Mild temperatures (max 6°C on Wed night, min 1°C on Thu morning). Winds increasing (moderate winds from the WSW on Thu night, near gales from the WSW by Fri night).									Days 11–13 Weather Summary Mostly dry. Freeze-thaw conditions (max 9°C on Mon night, min -1°C on Sat night). Winds decreasing (strong winds from the WNW on Sat night, calm by Sun morning).
		Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23			Monday 24			Tue 25
	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

	mod. snow	mod. snow	snow shwrs	cloudy	clear	cloudy	cloudy	light rain	light rain	rain shwrs	some clouds	light snow	clear	clear	cloudy	some clouds	some clouds	cloudy	cloudy	light snow	light snow	cloudy	light rain	light rain	heavy rain	light rain	some clouds	some clouds	some clouds	some clouds	light rain	clear	clear	some clouds	some clouds	cloudy
km/h	SSW	W	WNW	WNW	W	WSW	SW	SSW	SW	SW	WSW	NW	NNE	W	NNE	SSW	SE	SSE	S	SW	WSW	WSW	SW	SW	WSW	WSW	W	NW	NNW	W	W	NNW	NNW	NW	W	W
See all weather maps
cm	6	6	1.0	—	—	—	—	—	—	—	—	2.0	—	—	—	—	—	—	—	1.0	1.0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	0.1	3	10	—	—	—	—	—	—	—	—	—	—	—	—	0.1	1.7	18	1.1	—	—	—	—	0.1	—	—	—	—	—
max°C	-2	0	0	0	1	2	4	5	5	4	0	0	2	1	4	4	7	7	6	1	1	2	2	3	5	3	2	0	0	2	4	4	7	9	8	8
min°C	-3	-2	0	-1	1	1	2	4	5	1	-1	0	0	0	3	3	5	6	2	1	1	1	1	3	4	1	1	-1	-1	2	3	3	5	7	8	7
chill°C	-12	-11	-9	-8	-4	-4	-4	-3	-2	-6	-9	-8	-9	-2	3	1	3	3	-5	-6	-6	-6	-4	-3	-2	-6	-6	-9	-4	1	0	-1	4	5	5	3

Freezing level (m)	900	1250	1350	1200	1400	1750	2400	2400	2300	1550	1200	1350	1700	1450	2100	2550	2800	2650	2150	1550	1400	1550	1750	2050	2200	1500	1450	1200	1350	1750	2300	2650	2750	2900	2800	2750
Cloud base (m)	850	350	400	600	750	800	400	350	350	600	450	400	700	850	900	6600		7000	6250	350	600	400	600	400	350	450	800	6150	3250	2100	700	8800	1950	3100	3200	2150

	—	7:22	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:16	—	—	7:16	—	—	7:13	—	—	7:11	—	—	7:11	—	—	7:09	—	—	7:07	—	—	7:05	—
	—	—	7:15	—	—	7:16	—	—	7:17	—	—	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:23	—	—	7:24	—	—	7:25	—	—	7:25

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A light fall of snow, heaviest on Thu night. Turning milder with light rain (total 3mm) on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun morning, min -3°C on Thu night). Winds increasing (light winds from the W on Sat morning, gales from the SW by Sun afternoon).

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 10mm) heaviest on Sun night, then becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Wed morning, min -1°C on Mon morning). Mainly near gales.

Mount Saint Helena Weather (Days 6-9):

A dusting of snow. Milder later with heavy rain (total 21mm) on Fri night. Mild temperatures (max 6°C on Wed night, min 1°C on Thu morning). Winds increasing (moderate winds from the WSW on Thu night, near gales from the WSW by Fri 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. 31 minutes ago		-	Calm (0 kph at 0).
Healdsburg 13 km SW 50.6m alt. 41 minutes ago	6° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 313).
Hidden Valley Lake 16 km NNE 343m alt. 39 minutes ago	6° C	Dry	Calm (0 kph at 209).
Angwin 19 km ESE 510m alt. 3 hours ago	3° C	Dry	Calm (0 kph at 165).
Windsor 19 km SSW 42m alt. 57 minutes ago	7° C	Dry	Calm (0 kph at 0).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 1 hour ago	3° C	Dry	Calm (2 kph at 112).
Saint Helena 20 km SE 84m alt. 31 minutes ago	6° C	Dry	Calm (0 kph at 20).
Veteran Heights wx 20 km ESE 523m alt. 58 minutes ago	3° C	Dry	Calm (5 kph at 276).
Hobergs wx 21 km NW 912m alt. 59 minutes ago	1° C	-	Calm (5 kph at 59).

* 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.