– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Fri 26 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 26 Dec 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 Fri afternoon. Very mild (max 15°C on Mon morning, min 5°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 15°C on Tue morning, min 10°C on Mon night). Wind will be generally light.
	Fri 26		Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 31
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	rain shwrs	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy
km/h	W	NW	NE	NE	N	NE	NNE	NNE	NNE	NE	NE	NE	NE	NE	ESE	ESE	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	3	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	8	6	8	9	7	12	11	8	15	14	10	15	15	11	15	14	11
min °C	7	5	7	7	6	9	8	8	12	11	10	12	11	10	12	12	10
chill °C	4	4	6	5	4	9	6	6	11	10	8	12	11	10	12	12	10

Freezing level m	1800	1600	1500	2050	2850	2800	3250	3650	3800	3800	3950	3950	4050	4000	3950	3700	3450
Cloud base (m)	400	550	800	850		8600									9600		6500

	—	—	7:26	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—
	4:54	—	—	4:55	—	—	4:55	—	—	4:57	—	—	4:58	—	—	4:59	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Mon morning, min 5°C on Fri night). Wind will be generally light.

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 15°C on Tue morning, min 10°C on Mon 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	13° C	Dry and partly cloudy.	Light winds from the WSW (15 kph at 240).	16 km Low: scattered Mid: broken
Santa Rosa 28 km S 29.6m alt. 32 minutes ago	10° C	Dry	Calm (0 kph at 132).
Cloverdale 34 km W 106m alt. 33 minutes ago	11° C	Dry	Calm (2 kph at 290).
Graton 35 km SSW 87m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 35).
Alten wx 36 km S 69m alt. 46 minutes ago	9° C	Dry	Calm (3 kph at 143).
Sebastopol 36 km SSW 129m alt. 29 minutes ago	7° C	Dry	Calm (0 kph at 5).
Knowles Corner wx 37 km S 88m alt. 45 minutes ago	10° C	Dry	Calm (0 kph at —).
Monte Rio wx 40 km SSW 76m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 93).
Cotati 41 km S 94m alt. 31 minutes ago	11° C	Dry	Wind obs. (8 kph from 318 degs) was rejected.
Occidental 43 km SSW 298m alt. 1 hour ago	8° C	Dry	Calm (3 kph at 312).

* 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.