– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Sun 19 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 19 May 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 Tue afternoon, min 12°C on Sun night). Mainly strong winds.											Days 5–7 Weather Summary Mostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Sat morning). Winds decreasing (fresh winds from the NE on Wed night, calm by Fri morning).									Days 8–10 Weather Summary Mostly dry. Very mild (max 18°C on Mon afternoon, min 11°C on Sun morning). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Very mild (max 19°C on Tue afternoon, min 15°C on Tue night). Wind will be generally light.
	Sun 19		Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Fri 31
	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	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear
km/h	WNW	NE	N	W	NNE	NNE	W	NW	NW	NW	N	NNW	W	NNE	SSW	W	NW	NW	W	SSE	SSE	WNW	SW	ESE	W	SE	SE	WSW	WNW	NNW	WNW	NNE	NW	WNW	E	ENE
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	15	14	12	13	14	14	17	16	14	16	16	13	15	14	13	15	14	11	13	12	12	15	15	16	18	18	17	19	17	15	16	16	16	19	19	18
min°C	15	12	12	13	13	14	17	14	14	16	13	13	14	13	13	14	12	9	12	12	11	14	15	15	17	16	16	18	15	15	15	15	16	18	18	18
chill°C	14	9	10	13	12	12	17	14	14	15	11	11	14	12	13	14	9	7	11	12	11	14	15	15	17	16	16	18	15	15	15	14	15	18	18	18

Freezing level (m)	3500	3200	3250	3150	3150	3350	3550	3700	3850	3900	3550	3550	3350	3250	3450	3850	3800	3450	3550	3650	3650	3750	3750	3950	4100	4150	4000	4050	4000	3850	3900	3800	4000	4350	4300	4300
Cloud base (m)				2800				9950			6550	5800	5300			9350		8400								9350				6350	6250

	—	—	5:54	—	—	5:52	—	—	5:52	—	—	5:52	—	—	5:50	—	—	5:50	—	—	5:50	—	—	5:48	—	—	5:48	—	—	5:48	—	—	5:48	—	—	5:47
	—	8:19	—	—	8:20	—	—	8:21	—	—	8:22	—	—	8:22	—	—	8:22	—	—	8:23	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:27	—	—	8:28	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 17°C on Tue afternoon, min 12°C on Sun night). Mainly strong winds.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Sat morning). Winds decreasing (fresh winds from the NE on Wed night, calm by Fri morning).

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Very mild (max 18°C on Mon afternoon, min 11°C on Sun morning). Wind will be generally light.

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. 1 hour ago	16° C	Dry	Calm (0 kph at 269).
Healdsburg 13 km SW 50.6m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 178).
Angwin 19 km ESE 510m alt. 21 minutes ago	12° C	Dry	Calm (0 kph at 229).

* 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.