– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Sat 15 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 15 Mar 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 18mm), heaviest on Sun night. Very mild (max 10°C on Sun afternoon, min 2°C on Mon night). Winds decreasing (strong winds from the SSW on Sun afternoon, calm by Tue morning).											Days 5–7 Weather Summary Light rain (total 5mm), mostly falling on Wed night. Very mild (max 11°C on Thu afternoon, min 5°C on Tue night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Very mild (max 16°C on Mon morning, min 7°C on Fri night). Wind will be generally light.									Days 11–13 Weather Summary Some drizzle, heaviest during Thu morning. Warm (max 21°C on Tue afternoon, min 4°C on Wed night). Wind will be generally light.
	Sat 15		Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26			Thu 27
	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

	light rain	light rain	cloudy	light rain	rain shwrs	light rain	rain shwrs	clear	clear	clear	some clouds	cloudy	light rain	mod. rain	some clouds	clear	some clouds	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	rain shwrs	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	rain shwrs
km/h	SW	SSW	SSW	SSW	SW	WNW	WNW	NNW	W	WSW	ESE	S	SSW	WSW	NW	WNW	NW	WNW	WNW	WNW	W	W	W	WNW	NW	NNW	NNW	NW	NNW	W	WSW	W	W	WSW	W	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.7	0.1	—	2	14	0.8	0.1	—	—	—	—	—	0.1	5	—	—	—	—	—	—	—	—	—	—	0.2	—	—	—	—	—	—	—	—	—	—	0.9
max°C	8	7	8	10	9	6	8	5	7	10	6	8	9	6	8	11	7	8	9	8	11	13	9	11	15	12	16	20	16	19	21	16	13	15	9	6
min°C	8	7	7	9	6	5	7	2	2	10	5	5	8	5	5	11	5	6	8	7	7	11	9	9	13	10	11	20	14	14	20	11	11	14	4	5
chill°C	5	5	4	5	2	1	2	-2	0	10	5	4	5	3	3	10	3	5	6	5	5	9	7	7	12	8	10	20	14	14	20	9	9	13	0	2

Freezing level (m)	1700	2250	2300	2350	1450	1250	1300	1600	1400	1800	2100	2150	1700	1400	1700	2000	2500	2400	2150	2250	2300	2250	2850	3250	3350	3350	3450	3550	3650	3650	3700	3500	3300	3250	1450	1200
Cloud base (m)	600	500	400	350	700	400	600	450	6200	1900	5450	5600	650	550	5000	1850	3500	1900	800	500	1550	1700	400	750	6450	6550	8150			9100	8600		500	6600	750	450

	—	—	7:20	—	—	7:18	—	—	7:16	—	—	7:16	—	—	7:13	—	—	7:11	—	—	7:11	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:05	—	—	7:03
	7:16	—	—	7:17	—	—	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:23	—	—	7:24	—	—	7:25	—	—	7:25	—	—	7:27	—	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Moderate rain (total 18mm), heaviest on Sun night. Very mild (max 10°C on Sun afternoon, min 2°C on Mon night). Winds decreasing (strong winds from the SSW on Sun afternoon, calm by Tue morning).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Wed night. Very mild (max 11°C on Thu afternoon, min 5°C on Tue night). Wind will be generally light.

Mount Saint Helena Weather (Days 6-9):

Mostly dry. Very mild (max 16°C on Mon morning, min 7°C on Fri night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 500 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).
Healdsburg 13 km SW 50.6m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 29 minutes ago	11° C	Dry	Calm (0 kph at 159).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 211).
Angwin 19 km ESE 510m alt. 23 minutes ago	7° C	Dry	Calm (0 kph at 200).
Windsor 19 km SSW 42m alt. 22 minutes ago	13° C	Dry	Calm (0 kph at 223).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 59 minutes ago	7° C	Dry	Calm (0 kph at 98).
Saint Helena 20 km SE 84m alt. 32 minutes ago	12° C	Dry	Calm (0 kph at 145).
Veteran Heights wx 20 km ESE 523m alt. 22 minutes ago	7° C	Dry	Calm (3 kph at 282).
Santa Rosa 21 km S 52m alt. 3 hours ago	13° C	Dry	Calm (3 kph at 207).

* 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.