– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 pm Mon 30 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 30 Mar 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 5mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 15°C on Mon afternoon, min -1°C on Wed night). Winds increasing (light winds from the SW on Tue morning, near gales from the WSW by Wed night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 14°C on Sat afternoon, min 4°C on Thu afternoon). Winds decreasing (strong winds from the NNE on Fri morning, light winds from the E by Sat afternoon).
	Mon 30		Tuesday 31			Wednesday 1			Thursday 2			Friday 3			Saturday 4
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	light rain	rain shwrs	some clouds	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WSW	WSW	SW	WSW	WSW	SW	WSW	W	NNW	N	NNE	NNE	NE	NE	ENE	E	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	0.1	—	0.4	3	1.4	—	—	—	—	—	—	—	—	—
max °C	15	13	7	7	6	5	5	4	1	5	7	9	12	12	13	14	14
min °C	14	9	7	6	5	5	5	-1	1	4	4	8	11	11	11	14	13
chill °C	12	6	3	3	0	0	-1	-8	-6	0	0	3	8	8	9	14	12

Freezing level m	3000	2750	2400	2300	2350	2150	2250	1400	1450	2600	3100	3250	3350	3450	3550	3600	3550
Cloud base (m)		2900	1750	1750	1950	550	350	550	650	1700							9150

	—	—	6:56	—	—	6:54	—	—	6:54	—	—	6:52	—	—	6:50	—	—
	7:30	—	—	7:31	—	—	7:32	—	—	7:34	—	—	7:35	—	—	7:36	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 5mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 15°C on Mon afternoon, min -1°C on Wed night). Winds increasing (light winds from the SW on Tue morning, near gales from the WSW by Wed night).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Sat afternoon, min 4°C on Thu afternoon). Winds decreasing (strong winds from the NNE on Fri morning, light winds from the E by Sat afternoon).

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	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	15° C	Clear	Light winds from the SSW (11 kph at 200).	16 km
Santa Rosa 30 km S 40m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 167).
Cloverdale 34 km W 106m alt. 2 hours ago	16° C	Dry	Calm (3 kph at 113).
Graton 35 km SSW 87m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 32).
Alten wx 36 km S 69m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 188).
Sebastopol 36 km SSW 129m alt. 2 hours ago	13° C	Dry	Calm (3 kph at 192).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 270).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	12° C	Dry	Wind obs. (6 kph from 240 degs) was rejected.
Knowles Corner wx 37 km S 88m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 90).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 4).

* 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.