– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Fri 26 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 26 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 11°C on Sun night, min 5°C on Fri afternoon). Winds increasing (calm on Fri night, strong winds from the NNW by Sat night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Wed afternoon, min 6°C on Tue night). Winds decreasing (gales from the NNE on Wed morning, light winds from the NNW by Thu morning).									Days 8–10 Weather Summary Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sun morning. Freeze-thaw conditions (max 13°C on Thu afternoon, min -1°C on Sat night). Winds increasing (calm on Thu night, strong winds from the SW by Sun morning).									Days 11–13 Weather Summary A dusting of snow turning to light rain (total 9mm) on Tue night. Mild temperatures (max 8°C on Mon afternoon, min 2°C on Sun afternoon). Winds increasing (calm on Mon night, near gales from the WSW by Tue night).
	Fri 26		Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wed 8
	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

	rain shwrs	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	light rain	rain shwrs	some clouds	light snow	snow shwrs	rain shwrs	some clouds	some clouds	some clouds	some clouds	some clouds	rain shwrs	rain shwrs
km/h	NW	E	NW	NW	NNW	NW	NW	NNW	N	NNW	NNW	NNW	NNW	NNE	NNE	N	NNE	NNW	W	WSW	SW	W	W	WSW	WSW	W	SW	W	NW	WNW	NW	SW	WSW	WSW	SW	WSW
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2.0	2.0	—	—	—	—	—	—	—	—
mm	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1.3	1.8	—	—	0.7	0.1	—	—	—	—	—	6	2.0
max°C	7	7	7	10	10	8	10	11	8	10	10	9	9	8	8	12	12	12	13	13	11	12	10	6	5	1	0	3	4	5	8	8	7	7	5	3
min°C	5	6	6	9	8	8	10	8	7	9	9	9	9	6	7	10	11	12	13	12	11	12	7	6	3	-1	0	2	2	5	7	7	6	5	3	2
chill°C	-1	1	6	6	5	6	8	4	3	6	5	5	6	2	1	6	8	10	13	12	11	11	2	1	-3	-8	-7	-5	-3	2	5	6	3	0	-4	-4

Freezing level (m)	2150	2500	3100	3150	2950	3100	3200	3150	3000	3200	3200	3150	3400	3050	2850	3000	3250	3350	3400	3300	3200	3200	3150	2300	2000	1200	1350	1800	2450	2500	2750	2650	2400	2450	2250	1700
Cloud base (m)	1900		6700	5850								8700						6600	6150		9400	4850	400	400		650	400	550	6550	6300	2100	4700	3600	3500	350	700

	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:05	—	—	6:03
	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01	—	—	8:02	—	—	8:04	—	—	8:05	—	—	8:06	—	—	8:07	—	—	8:07	—	—	8:07	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 11°C on Sun night, min 5°C on Fri afternoon). Winds increasing (calm on Fri night, strong winds from the NNW by Sat night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Wed afternoon, min 6°C on Tue night). Winds decreasing (gales from the NNE on Wed morning, light winds from the NNW by Thu morning).

Mount Saint Helena Weather (Days 6-9):

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sun morning. Freeze-thaw conditions (max 13°C on Thu afternoon, min -1°C on Sat night). Winds increasing (calm on Thu night, strong winds from the SW by Sun 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. 44 minutes ago		-	Calm (0 kph at 0).
Middletown 12 km ENE 672m alt. 1 hour ago	17° C	Dry	Wind obs. (16 kph from 257 degs) was rejected.
Healdsburg 13 km SW 50.6m alt. 1 hour ago	18° C	Dry	Calm (5 kph at 290).
Calistoga 14 km S 329m alt. 41 minutes ago	17° C	Dry	Calm (0 kph at 148).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	17° C	Dry	Wind obs. (6 kph from 240 degs) was rejected.

* 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.