– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Fri 14 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 14 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 23mm), heaviest during Fri morning. Very mild (max 10°C on Sun afternoon, min 2°C on Fri morning). Winds increasing (light winds from the WNW on Sat morning, fresh winds from the SSW by Sun afternoon).									Days 4–6 Weather Summary Light rain (total 8mm), mostly falling on Wed night. Very mild (max 13°C on Wed afternoon, min 2°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night).									Days 7–9 Weather Summary Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 11°C on Thu afternoon, min 3°C on Sat night). Wind will be generally light.									Days 10–12 Weather Summary Moderate rain (total 17mm), heaviest on Tue morning. Very mild (max 12°C on Mon afternoon, min 3°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the SSW by Tue morning).
	Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25
	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	night

	mod. rain	rain shwrs	rain shwrs	clear	light rain	some clouds	cloudy	light rain	mod. rain	light rain	risk tstorm	clear	some clouds	clear	some clouds	clear	cloudy	light rain	rain shwrs	rain shwrs	some clouds	cloudy	light rain	heavy rain	light rain	cloudy	some clouds	some clouds	light rain	rain shwrs	some clouds	cloudy	light rain	heavy rain	rain shwrs	rain shwrs
km/h	W	WNW	WNW	W	SW	SSW	SSW	SSW	WSW	WSW	NW	NNW	SE	SW	NE	SE	S	SW	WNW	W	WNW	WSW	SW	SW	WSW	W	WNW	W	W	WSW	SSE	SSW	SSW	SW	W	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	8	1.9	0.2	—	0.2	—	—	2	10	2.0	2.0	—	—	—	—	—	—	4	0.5	0.1	—	—	0.8	10	3	—	—	—	0.1	0.1	—	—	0.8	14	1.4	0.2
max°C	4	7	5	7	9	7	9	10	10	7	8	6	7	11	7	11	13	8	7	11	7	8	9	9	9	10	6	7	8	7	10	12	10	10	9	5
min°C	2	7	4	4	8	7	6	9	6	5	8	2	2	10	5	6	12	5	5	10	6	6	7	7	9	9	3	4	8	6	7	11	9	10	8	3
chill°C	-3	3	1	2	6	5	3	5	3	2	5	-2	0	10	5	6	11	2	3	9	5	5	5	4	6	6	0	1	6	5	7	10	7	6	4	0

Freezing level (m)	1200	1350	1150	1350	1700	2400	2350	2350	1650	1350	1350	1750	1550	2150	2500	2750	2600	1850	1550	1900	2300	1900	1800	2150	1850	1600	1100	1250	1450	2050	2550	2550	2450	2250	1500	1150
Cloud base (m)	350	400	650	1500	750	750	500	350	800	450	700			6850	6450	9200	6900	1700	400	700	2850	2550	550	350	350	850	600	750	750	650	850	700	450	350	550	750

	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: Heavy rain (total 23mm), heaviest during Fri morning. Very mild (max 10°C on Sun afternoon, min 2°C on Fri morning). Winds increasing (light winds from the WNW on Sat morning, fresh winds from the SSW by Sun afternoon).

Mount Saint Helena Weather (Days 3-6):

Light rain (total 8mm), mostly falling on Wed night. Very mild (max 13°C on Wed afternoon, min 2°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night).

Mount Saint Helena Weather (Days 6-9):

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 11°C on Thu afternoon, min 3°C on Sat 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. 2 hours ago		-	Calm (0 kph at 0).
Healdsburg 13 km SW 50.6m alt. 54 minutes ago	4° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 300).
Hidden Valley Lake 16 km NNE 343m alt. 1 hour ago	2° C	-	Calm (0 kph at 115).
Angwin 19 km ESE 510m alt. 2 hours ago	1° C	-	Calm (0 kph at 106).
Windsor 19 km SSW 42m alt. 54 minutes ago	5° C	Dry	Calm (2 kph at 127).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 1 hour ago	0° C	-	Calm (2 kph at 53).
Saint Helena 20 km SE 84m alt. 49 minutes ago	4° C	Dry	Calm (5 kph at 184).
Veteran Heights wx 20 km ESE 523m alt. 1 hour ago	1° C	-	Wind obs. (6 kph from 168 degs) was rejected.
Hobergs wx 21 km NW 912m alt. 1 hour ago	-1° C	-	Moderate winds from the SE (26 kph at 143).

* 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.