Mount Saint Helena
Weather Forecast, United States

 

Days 0-3 Mount Saint Helena Weather Summary:

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Wed morning, min 9°C on Wed night). Wind will be generally light.

Days 3-6 Mount Saint Helena Weather Summary:

Heavy rain (total 42mm), heaviest during Sun afternoon. Very mild (max 12°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (strong winds from the SSE on Sun afternoon, calm by Mon morning).

Days 6-9 Mount Saint Helena Weather Summary:

Some drizzle, heaviest during Thu night. Very mild (max 16°C on Thu morning, min 8°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
rain showers
partially cloudy
partially cloudy
partially cloudy
rain showers
light rain
heavy rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
Wind km/h
15 NNE15
10 NNW10
5 N5
5 ENE5
10 ESE10
15 SSE15
25 SSW25
15 WSW15
5 SSE5
10 SSE10
15 SSE15
20 SSE20
30 SSE30
40 SSE40
15 W15
5 NNW5
5 NW5
5 NNW5
5 NW5
5 W5
5 NNE5
5 ENE5
5 E5
5 E5
5 SSE5
15 SSW15
15 SW15
some clouds clear clear clear clear some clouds some clouds rain shwrs some clouds some clouds some clouds rain shwrs light rain heavy rain rain shwrs clear clear clear clear clear clear clear clear clear clear clear rain shwrs
Rain
Rain mm
- - - - - - - 3 - - - 3 4 23 12 - - - - - - - - - - - 1
Snow
Snow cm
- - - - - - - - - - - - - - - - - - - - - - - - - - -
High °C
15 15 11 15 15 10 11 10 9 11 12 10 11 11 9 11 11 8 13 13 10 15 15 11 16 15 11
Low °C
11 11 9 12 11 9 11 10 9 10 11 10 10 11 6 9 9 8 10 11 9 12 12 10 13 12 8
Chill °C
14 15 10 15 15 9 8 8 9 9 10 8 7 7 7 11 11 7 13 13 10 15 15 11 16 14 9
Freezing level m
3100 3100 3200 3300 3450 3150 2750 2350 2800 3300 3350 3050 2400 2550 1900 1950 2350 3150 3550 3750 3850 3950 3850 3850 3650 3500 2900
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop mountain backdrop
101110111210756666664457991012121113119151511151510111091112101111911118131310151511161511
Sunrise
7:18 - - 7:18 - - 7:20 - - 7:20 - - 7:20 - - 7:22 - - 7:22 - - 7:22 - - 7:24 - -
Sunset
- 4:49 - - 4:49 - - 4:49 - - 4:50 - - 4:50 - - 4:50 - - 4:51 - - 4:51 - - 4:52 -

Issued local time.

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 StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Santa Rosa
12 km S
380m alt.
1 hour ago
11° C
Dry
3
Calm
(3 kph at 290).
Healdsburg
13 km SW
50.6m alt.
52 minutes ago
7° C
Dry
0
Calm
(0 kph at 41).
Calistoga
14 km S
329m alt.
1 hour ago
4° C
Dry
0
Calm
(0 kph at 19).
Windsor
19 km SSW
42m alt.
1 hour ago
5° C
Dry
0
Calm
(0 kph at 0).
Lower Lake
20 km NNE
491m alt.
1 hour ago
10° C
Dry
2
Calm
(2 kph at 20).

* 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. We also include passing Ship data if it is recorded close to Mount Saint Helena and within an acceptable time window.