Mount Saint Helena weather
– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States

Issued: 9 am Wed 17 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 12°C on Wed afternoon, min 6°C on Thu night). Winds decreasing (near gales from the WSW on Fri morning, light winds from the WSW by Fri night).

Days 4–6 Weather Summary

Heavy rain (total 59mm), heaviest during Sat afternoon. Very mild (max 10°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (gales from the SW on Sat afternoon, light winds from the WSW by Mon afternoon).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
clear
part cloud
part cloud
part cloud
rain showers
light rain
light rain
light rain
light rain
heavy rain
heavy rain
rain showers
part cloud
part cloud
cloud
cloud
light rain
rain shwrs
clear
some clouds
some clouds
some clouds
rain shwrs
light rain
light rain
light rain
light rain
heavy rain
heavy rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
light rain
 km/h
45
WNW
15
NW
20
W
25
WNW
30
W
35
WSW
50
WSW
45
W
25
W
20
S
65
SW
55
WSW
30
WSW
20
WSW
35
W
15
WNW
5
WSW
10
SSW
 cm 
 mm 
0.2
0.2
0.4
2
0.3
4
37
16
0.1
1.8
max°C
8
12
12
10
9
8
8
9
9
9
10
9
8
7
5
6
5
5
min°C
8
10
10
10
8
6
8
9
8
9
9
7
6
6
4
5
5
4
chill°C 
3
8
7
7
4
1
3
4
4
6
4
2
2
2
-2
2
3
2
Freezing level (m
3600
3750
3700
3800
3850
3800
3450
3250
3050
2950
3200
2800
2500
2350
2250
2400
2400
2350
Cloud base (m)
450
550
9100
1600
900
550
450
350
450
550
350
450
500
700
750
5950
5150
3000
Sea lvl1000m2000m3000m4000m5000m
81111109789991087756551413121414111212121214131311911109
Sunrise
7:22
7:22
7:22
7:24
7:24
7:24
Sunset
4:50
4:51
4:51
4:52
4:52
4:52

Loading...

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 12°C on Wed afternoon, min 6°C on Thu night). Winds decreasing (near gales from the WSW on Fri morning, light winds from the WSW by Fri night).

Mount Saint Helena Weather (Days 3-6):

Heavy rain (total 59mm), heaviest during Sat afternoon. Very mild (max 10°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (gales from the SW on Sat afternoon, light winds from the WSW by Mon 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Santa Rosa Airport
25 km SSW
219m alt.
1 hour ago
17° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
14 km
Low: broken
30 km S
40m alt.
24 minutes ago
19° C
Dry
Wind obs. (8 kph from 133 degs) was rejected.
34 km W
106m alt.
59 minutes ago
17° C
Dry
10
Light winds from the WSW
(10 kph at 255).
18
35 km SSW
87m alt.
1 hour ago
17° C
Dry
0
Calm
(0 kph at 30).
2
36 km S
69m alt.
30 minutes ago
18° C
Dry
0
Calm
(0 kph at 154).
5
36 km SSW
129m alt.
58 minutes ago
16° C
Dry
0
Calm
(0 kph at 157).
2
36 km SW
18m alt.
1 hour ago
17° C
Dry
0
Calm
(0 kph at 180).
0
37 km SSW
61m alt.
59 minutes ago
17° C
Dry
0
Calm
(0 kph at 90).
0
37 km SSW
61m alt.
2 hours ago
15° C
Dry
2
Calm
(2 kph at 30).
2
37 km S
88m alt.
37 minutes ago
14° C
Dry
0
Calm
(0 kph at —).
0

* 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.

Mount Saint Helena Photos