– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Sat 10 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 10 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 3mm), mostly falling on Sun night. Very mild (max 19°C on Sat afternoon, min 2°C on Sun night). Winds decreasing (near gales from the SW on Sun night, light winds from the NNE by Tue morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Thu afternoon, min 7°C on Tue afternoon). Wind will be generally light.
	Sat 10		Sunday 11			Monday 12			Tuesday 13			Wednesday 14			Thursday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	rain shwrs	rain shwrs	light rain	clear	rain shwrs	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	cloudy
km/h	W	W	WSW	WSW	SW	WSW	W	N	NNE	WNW	ENE	SW	W	E	E	W	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	1.9	1.0	0.3	—	0.1	—	—	—	—	—	—	—	—
max°C	19	17	9	8	4	3	4	4	5	9	8	9	11	12	11	13	13
min°C	18	10	8	6	2	2	3	3	3	7	8	8	11	10	11	13	13
chill°C	18	6	4	1	-5	-4	-2	-2	0	6	6	6	10	8	10	13	12

Freezing level (m)	3900	3600	3400	3350	2600	1700	1900	2000	2000	2400	2700	2800	3150	2950	3200	3300	3150
Cloud base (m)		6750	9300		400	600	850	700	800	2150			5750	3300		2500	6200

	—	—	6:01	—	—	6:01	—	—	6:00	—	—	5:58	—	—	5:58	—	—
	—	8:09	—	—	8:10	—	—	8:12	—	—	8:13	—	—	8:14	—	—	8:15

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 3mm), mostly falling on Sun night. Very mild (max 19°C on Sat afternoon, min 2°C on Sun night). Winds decreasing (near gales from the SW on Sun night, light winds from the NNE by Tue morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Thu afternoon, min 7°C on Tue afternoon). 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. 58 minutes ago		-	Calm (0 kph at 0).
Healdsburg 13 km SW 50.6m alt. 41 minutes ago	24° C	Dry	Calm (0 kph at 0).
Calistoga 14 km S 329m alt. 35 minutes ago	23° C	Dry	Calm (0 kph at 134).
Hidden Valley Lake 16 km NNE 343m alt. 2 hours ago	28° C	Dry	Calm (0 kph at 13).
Angwin 19 km ESE 510m alt. 3 hours ago	28° C	Dry	Calm (0 kph at 236).
Windsor 19 km SSW 42m alt. 1 hour ago	26° C	Dry	Calm (0 kph at 46).
Middletown-Jerusalem Grade 20 km NNE 562.7m alt. 2 hours ago	23° C	Dry	Calm (0 kph at 228).
Saint Helena 20 km SE 84m alt. 56 minutes ago	26° C	Dry	Calm (0 kph at 323).
Veteran Heights wx 20 km ESE 523m alt. 1 hour ago	23° C	Dry	Wind obs. (8 kph from 298 degs) was rejected.
Santa Rosa 21 km S 52m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 0).

* 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.