– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Sat 09 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 09 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 16°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 25°C on Tue afternoon, min 7°C on Wed night). Wind will be generally light.
	Saturday 9			Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	rain shwrs	rain shwrs	clear	clear	clear
km/h	W	W	W	S	WSW	NW	SE	SSW	S	S	SW	WSW	SW	W	NW	N	W	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	3	0.1	—	—	—
max °C	22	25	21	23	26	22	25	27	22	24	25	18	15	14	10	15	20	17
min °C	18	25	16	18	26	18	20	27	19	20	24	11	12	10	7	10	19	14
chill °C	18	25	16	18	26	18	20	27	19	20	24	10	11	8	6	10	19	13

Freezing level m	4200	4400	4500	4500	4500	4450	4400	4400	4350	4250	4200	3900	2700	2100	2400	3350	3700	3800
Cloud base (m)						9150	9500	9550		9250	9350	4750	2900	600	2700

	6:03	—	—	6:03	—	—	6:01	—	—	6:01	—	—	6:00	—	—	5:58	—	—
	—	—	8:08	—	—	8:09	—	—	8:10	—	—	8:12	—	—	8:13	—	—	8:14

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 27°C on Mon afternoon, min 16°C on Sat night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 25°C on Tue afternoon, min 7°C on Wed 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 3 hours ago	14° C	Haze -.	Light winds from the SSE (7 kph at 150).	16 km
Santa Rosa 30 km S 40m alt. 54 minutes ago	21° C	Dry	Calm (0 kph at 92).
Cloverdale 34 km W 106m alt. 59 minutes ago	23° C	Dry	Calm (3 kph at 0).
Graton 35 km SSW 87m alt. 1 hour ago	20° C	Dry	Calm (0 kph at 34).
Alten wx 36 km S 69m alt. 47 minutes ago	19° C	Dry	Calm (0 kph at 81).
Sebastopol 36 km SSW 129m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 142).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	25° C	Dry	Wind obs. (6 kph from 45 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 52 minutes ago	19° C	Dry	Calm (0 kph at 330).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	18° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	15° C	Dry	Calm (0 kph at 355).

* 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.