– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 10 am Tue 07 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 07 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 14°C on Tue morning, min 6°C on Thu night). Winds decreasing (fresh winds from the NW on Tue night, calm by Thu night).									Days 4–6 Weather Summary Mild at first with light rain (total 9mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 7°C on Fri morning, min -1°C on Sun morning). Winds decreasing (near gales from the SSW on Sat night, calm by Sun night).
	Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	rain shwrs	risk tstorm	rain shwrs	rain shwrs	risk tstorm	rain shwrs	light rain	light rain	snow shwrs	mod. snow	some clouds	some clouds
km/h	NW	WNW	WNW	W	WSW	WSW	S	SW	SW	SSE	SW	S	S	SSW	SW	SW	NE	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7	9	—	—
mm	—	—	—	—	—	—	0.2	3	0.2	0.5	3	0.6	0.8	3	0.5	—	—	—
max °C	14	14	14	12	13	11	9	9	8	7	7	6	4	4	2	0	1	3
min °C	13	14	12	12	12	9	9	8	6	6	7	4	4	3	0	-1	0	1
chill °C	11	13	9	10	10	6	7	4	6	5	4	0	-1	-4	-7	-6	-4	-1

Freezing level m	3550	3500	3250	3000	3000	2850	2600	2650	2450	2300	2350	2150	2050	1850	1400	1200	1400	1850
Cloud base (m)	9450	4950					2400	1800	350	1550	1450	450	600	400	400	350	500

	6:46	—	—	6:45	—	—	6:43	—	—	6:41	—	—	6:39	—	—	6:39	—	—
	—	7:38	—	—	7:39	—	—	7:40	—	—	7:42	—	—	7:43	—	—	7:44	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 14°C on Tue morning, min 6°C on Thu night). Winds decreasing (fresh winds from the NW on Tue night, calm by Thu night).

Mount Saint Helena Weather (Days 3-6):

Mild at first with light rain (total 9mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 7°C on Fri morning, min -1°C on Sun morning). Winds decreasing (near gales from the SSW on Sat night, calm by Sun night).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind
Santa Rosa 30 km S 40m alt. 32 minutes ago	18° C	Dry	Wind obs. (11 kph from 122 degs) was rejected.
Cloverdale 34 km W 106m alt. 56 minutes ago	23° C	Dry	Calm (3 kph at 138).
Graton 35 km SSW 87m alt. 35 minutes ago	19° C	Dry	Calm (2 kph at 34).
Alten wx 36 km S 69m alt. 48 minutes ago	19° C	Dry	Calm (0 kph at 98).
Sebastopol 36 km SSW 129m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 76).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	22° C	Dry	Wind obs. (8 kph from 68 degs) was rejected.
Camp Meeker wx 37 km SSW 61m alt. 38 minutes ago	20° C	Dry	Calm (0 kph at 329).
Knowles Corner wx 37 km S 88m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 293).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago		Dry	Calm (2 kph at 269).
Cotati 41 km S 94m alt. 1 hour ago	16° C	Dry	Calm (5 kph at 318).

* 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.