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

Mount Saint Helena Weather Forecast

Mayacmas Mountains · United States
Issued: 4 pm Wed 09 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Warm (max 26°C on Wed afternoon, min 17°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the W by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Very mild (max 19°C on Mon afternoon, min 10°C on Sat night). Winds decreasing (strong winds from the NW on Sat night, calm by Mon night).

Wed
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
6000
5050
6650
6750
9100
8750
km/h
5
NNW
10
W
10
W
25
W
35
WNW
15
WNW
25
WNW
30
WNW
35
W
40
W
15
N
10
NNE
10
NNE
20
N
5
SW
5
SW
10
E
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.4
max °C
26
26
24
25
23
22
22
21
17
17
13
12
18
17
17
19
19
min °C
25
24
24
25
22
22
22
18
17
14
10
11
16
17
17
19
18
 chill °C
25
24
24
25
22
22
22
17
16
11
9
10
16
17
17
19
18
Freezing level m
5000
5000
4850
4950
4750
4600
4650
4650
4300
4250
4000
4250
4350
4300
4250
4350
4450
Sea lvl1000m2000m3000m4000m5000m
26252425232222201716121217171719193327283222232920202313162519212719
Sunrise
6:47
6:48
6:48
6:48
6:50
Sunset
7:28
7:27
7:24
7:23
7:22
7:20

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Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: Mostly dry. Warm (max 26°C on Wed afternoon, min 17°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the W by Sat morning).

Mount Saint Helena Weather (Days 3-6):

Mostly dry. Very mild (max 19°C on Mon afternoon, min 10°C on Sat night). Winds decreasing (strong winds from the NW on Sat night, calm by Mon night).

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
33°C
clear
Clear
Wind obs. (7 kph from 270 degs) was rejected.
16 km
34 km W
106m alt.
45 minutes ago
31°C
Dry
3
Calm
(3 kph at 49).
6
35 km SSW
87m alt.
29 minutes ago
27°C
Dry
0
Calm
(0 kph at 28).
3
36 km S
69m alt.
41 minutes ago
30°C
Dry
3
Calm
(3 kph at 198).
3
36 km SSW
129m alt.
35 minutes ago
26°C
Dry
0
Calm
(0 kph at 297).
0
37 km SSW
61m alt.
47 minutes ago
26°C
Dry
5
Calm
(5 kph at 248).
5
37 km SSW
61m alt.
1 hour ago
26°C
Dry
2
Calm
(2 kph at 265).
2
37 km S
88m alt.
27 minutes ago
24°C
Dry
0
Calm
(0 kph at —).
0
39 km SSW
61m alt.
2 hours ago
26°C
Dry
0
Calm
(0 kph at 321).
0
40 km SSW
76m alt.
29 minutes ago
24°C
Dry
0
Calm
(0 kph at 351).
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.

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