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

Mount Saint Helena
Weather Forecast, United States

Issued: 4 pm Sat 18 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Moderate rain (total 16mm) heaviest on Mon afternoon, then becoming colder with a dusting of snow on Tue morning. Very mild (max 12°C on Sat afternoon, min 2°C on Tue morning). Winds increasing (light winds from the SSE on Sat afternoon, near gales from the S by Mon morning).

Days 5–7 Weather Summary

Moderate rain (total 16mm), heaviest on Tue afternoon. Very mild (max 10°C on Thu night, min 2°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Thu morning).

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
part cloud
cloud
light rain
mod rain
mod rain
light snow
heavy rain
rain showers
rain showers
rain showers
rain showers
clear
part cloud
clear
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
mod. rain
mod. rain
light snow
heavy rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
some clouds
clear
 km/h
10
S
30
SSE
25
S
35
S
45
SSW
60
S
40
SSW
15
SW
15
SE
30
SSW
30
SW
15
NW
15
NW
25
NW
5
N
10
NW
20
NE
3
1.1
9
6
0.3
14
1
0.2
0.8
0.2
max °C
12
11
9
9
10
6
5
5
3
3
2
3
6
6
6
9
10
min °C
11
10
9
9
6
6
5
3
2
3
2
2
5
5
5
8
9
10
6
5
6
1
0
-2
-2
-2
-1
-3
-3
2
2
4
8
8
3400
3200
3100
3050
2800
2550
2450
2000
1700
1700
1650
1750
2200
2500
3100
3200
3300
Cloud base (m)
7000
5550
5000
6100
750
450
550
350
350
350
550
1600
8600
Sea lvl1000m2000m3000m4000m5000m
121199865433236669101914141611101188979139111611
Sunrise
6:28
6:26
6:26
6:24
6:22
Sunset
7:49
7:50
7:51
7:52
7:52
7:53

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Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Moderate rain (total 16mm) heaviest on Mon afternoon, then becoming colder with a dusting of snow on Tue morning. Very mild (max 12°C on Sat afternoon, min 2°C on Tue morning). Winds increasing (light winds from the SSE on Sat afternoon, near gales from the S by Mon morning).

Mount Saint Helena Weather (Days 3-6):

Moderate rain (total 16mm), heaviest on Tue afternoon. Very mild (max 10°C on Thu night, min 2°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Thu morning).

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 StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Santa Rosa Airport
25 km SSW
219m alt.
2 hours ago
24° C
clear
Clear
11
Light winds from the SW
(11 kph at 220).
16 km
30 km S
40m alt.
1 hour ago
23° C
Dry
Wind obs. (6 kph from 160 degs) was rejected.
34 km W
106m alt.
53 minutes ago
24° C
Dry
3
Calm
(3 kph at 98).
14
35 km SSW
87m alt.
1 hour ago
23° C
Dry
2
Calm
(2 kph at 35).
8
36 km S
69m alt.
2 hours ago
21° C
Dry
2
Calm
(2 kph at 173).
6
36 km SSW
129m alt.
1 hour ago
21° C
Dry
0
Calm
(0 kph at 207).
10
37 km SSW
61m alt.
50 minutes ago
24° C
Dry
5
Calm
(5 kph at 135).
5
37 km SSW
61m alt.
41 minutes ago
21° C
Dry
5
Calm
(5 kph at 293).
5
37 km S
88m alt.
54 minutes ago
21° C
Dry
0
Calm
(0 kph at —).
2
39 km SSW
61m alt.
1 hour ago
19° C
Dry
0
Calm
(0 kph at 344).
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