– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 4 am Tue 19 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 19 Aug 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 34°C on Thu afternoon, min 18°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 35°C on Fri afternoon, min 21°C on Sat night). Wind will be generally light.
	Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24
	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	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear
km/h	S	SW	NNW	NW	W	N	SE	SW	SSE	SSE	SW	SSW	S	SW	SSW	S	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	24	28	23	27	32	27	30	34	28	32	35	28	31	34	25	30	33	25
min°C	18	28	18	21	32	22	24	33	23	25	34	24	25	32	21	24	32	21
chill°C	18	28	18	21	32	22	24	33	23	25	34	24	25	32	21	24	32	21

Freezing level (m)	4400	4400	4450	4650	4850	4900	5000	5100	5200	5100	5050	5050	4950	5050	5050	5000	5050	4950
Cloud base (m)								9450			7350	6850

	6:26	—	—	6:28	—	—	6:28	—	—	6:30	—	—	6:31	—	—	6:31	—	—
	—	7:59	—	—	7:58	—	—	7:57	—	—	7:54	—	—	7:53	—	—	7:52	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 34°C on Thu afternoon, min 18°C on Tue morning). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Warm (max 35°C on Fri afternoon, min 21°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	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	9° C	Clear	Calm (0 kph at 0).	16 km
Santa Rosa 25 km S 56m alt. 1 hour ago		Dry	Calm (0 kph at 169).
Santa Rosa 30 km S 40m alt. 49 minutes ago	14° C	Dry	Calm (0 kph at 59).
Cloverdale 34 km W 106m alt. 2 hours ago	14° C	Dry	Wind obs. (6 kph from 18 degs) was rejected.
Graton 35 km SSW 87m alt. 45 minutes ago	11° C	Dry	Calm (0 kph at 275).
Alten wx 36 km S 69m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 106).
Sebastopol 36 km SSW 129m alt. 50 minutes ago	10° C	Dry	Calm (0 kph at 321).
Guerneville wx 36 km SW 18m alt. 41 minutes ago	10° C	Dry	Calm (0 kph at 7).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 248).
Camp Meeker wx 37 km SSW 61m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 283).

* 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.