– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Thu 02 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Thu 02 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 12mm), heaviest on Fri morning. Very mild (max 11°C on Thu afternoon, min 1°C on Fri afternoon). Winds increasing (light winds from the SSW on Thu afternoon, near gales from the W by Thu night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 14°C on Wed morning, min 5°C on Mon morning). Mainly gales.									Days 8–10 Weather Summary Mostly dry. Very mild (max 17°C on Thu morning, min 5°C on Fri night). Winds decreasing (strong winds from the NNE on Wed afternoon, light winds from the W by Fri morning).									Days 11–13 Weather Summary Mostly dry. Very mild (max 12°C on Sun afternoon, min 6°C on Mon afternoon). Winds increasing (light winds from the NNE on Sun night, strong winds from the NNE by Mon night).
	Thu 2		Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12			Monday 13			Tue 14
	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

	some clouds	rain shwrs	rain shwrs	clear	clear	clear	cloudy	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	SSW	SSW	WSW	W	WNW	NNW	NNW	NNW	NNW	NNW	WNW	NE	NNE	NNE	NNE	NNE	NNE	N	NNE	NNE	N	NNW	NNE	W	W	WNW	NNE	NNE	N	NNE	WNW	NNE	NNE	N	NNE	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	3	8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	11	10	3	2	2	3	5	8	10	10	9	7	8	9	11	12	13	14	14	15	17	16	16	15	12	9	7	10	11	11	12	10	8	7	8	7
min°C	11	4	2	1	1	2	5	6	9	10	6	5	7	8	10	11	13	14	14	14	15	16	15	14	11	5	6	8	10	11	12	7	7	6	7	7
chill°C	10	-3	-5	-6	-5	-3	2	1	5	6	2	1	2	2	5	7	10	12	11	12	14	16	14	13	9	0	1	4	7	8	10	4	3	1	2	4

Freezing level (m)	3200	2950	1850	1550	1600	2100	3150	3000	3150	3100	3100	2800	3000	2950	3600	3750	3700	3800	3650	3950	3950	4050	4150	4150	3900	3250	3250	3100	3050	3100	3300	3150	3100	3200	2900	3050
Cloud base (m)	3500	3600	450	550	8950	8700	900	3000	2950	2750	2000				9750	9500	6750	5600				8950	9250	9850	9700	6750		8300								8600

	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:28	—	—	7:26	—	—	7:26	—	—	7:26
	5:00	—	—	5:00	—	—	5:01	—	—	5:02	—	—	5:04	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:07	—	—	5:08	—	—	5:09	—	—	5:10	—	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Moderate rain (total 12mm), heaviest on Fri morning. Very mild (max 11°C on Thu afternoon, min 1°C on Fri afternoon). Winds increasing (light winds from the SSW on Thu afternoon, near gales from the W by Thu night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Wed morning, min 5°C on Mon morning). Mainly gales.

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Very mild (max 17°C on Thu morning, min 5°C on Fri night). Winds decreasing (strong winds from the NNE on Wed afternoon, light winds from the W by Fri 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	Cloud Visibility Cloud / Visibility
Calistoga 12 km S 366m alt. 1 hour ago		-	Calm (0 kph at 0).
Healdsburg 13 km SW 50.6m alt. 55 minutes ago	11° C	Dry	Calm (0 kph at 0).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 110).
Angwin 19 km ESE 510m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 170).
Windsor 19 km SSW 42m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 0).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 155).
Angwin 20 km ESE 510m alt. 51 minutes ago		-	Calm (0 kph at 0).
Saint Helena 20 km SE 84m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 338).
Pope Valley 22 km E 152.4m alt. 48 minutes ago	9° C	Dry	Calm (0 kph at 5).
Santa Rosa Airport 25 km SSW 219m alt. 3 hours ago	15° C	Clear	Light winds from the S (9 kph at 170).	16 km

* 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.