Extended 10-day forecasts, St. Helena (CA)
Check out our December climate page to see if the current temperatures in St. Helena is typical for this time of year.
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
7°C
7°C
0 mm
8%
N 
01:00
8°C
8°C
0 mm
11%
W
1 m/s
02:00
7°C
7°C
0 mm
17%
S
03:00
7°C
7°C
0 mm
22%
NE
1 m/s
04:00
8°C
8°C
0 mm
28%
N
05:00
9°C
8°C
0 mm
42%
NE
2 m/s
06:00
9°C
9°C
0 mm
56%
NW
1 m/s
07:00
10°C
10°C
1 mm
70%
NE
08:00
9°C
9°C
0.4 mm
79%
W
09:00
10°C
10°C
0.1 mm
88%
NE
10:00
11°C
11°C
0.4 mm
97%
W
11:00
11°C
11°C
0.4 mm
89%
E
1 m/s
12:00
11°C
11°C
0 mm
81%
SE
1 m/s
13:00
12°C
12°C
0 mm
73%
SE
1 m/s
14:00
12°C
12°C
0 mm
61%
E
1 m/s
15:00
12°C
12°C
0 mm
49%
E
1 m/s
16:00
12°C
12°C
0 mm
36%
W
17:00
12°C
12°C
0 mm
33%
N
18:00
11°C
11°C
0 mm
30%
N
19:00
11°C
11°C
0 mm
27%
W
20:00
11°C
11°C
0 mm
33%
W
21:00
10°C
10°C
0 mm
38%
N
22:00
9°C
9°C
0 mm
44%
NE
23:00
9°C
9°C
0 mm
55%
E
1 m/s
7°C
7°C
0 mm
8%
N
01:00
8°C
8°C
0 mm
11%
W
1 m/s
02:00
7°C
7°C
0 mm
17%
S
03:00
7°C
7°C
0 mm
22%
NE
1 m/s
04:00
8°C
8°C
0 mm
28%
N
05:00
9°C
8°C
0 mm
42%
NE
2 m/s
06:00
9°C
9°C
0 mm
56%
NW
1 m/s
07:00
10°C
10°C
1 mm
70%
NE
08:00
9°C
9°C
0.4 mm
79%
W
09:00
10°C
10°C
0.1 mm
88%
NE
10:00
11°C
11°C
0.4 mm
97%
W
11:00
11°C
11°C
0.4 mm
89%
E
1 m/s
12:00
11°C
11°C
0 mm
81%
SE
1 m/s
13:00
12°C
12°C
0 mm
73%
SE
1 m/s
14:00
12°C
12°C
0 mm
61%
E
1 m/s
15:00
12°C
12°C
0 mm
49%
E
1 m/s
16:00
12°C
12°C
0 mm
36%
W
17:00
12°C
12°C
0 mm
33%
N
18:00
11°C
11°C
0 mm
30%
N
19:00
11°C
11°C
0 mm
27%
W
20:00
11°C
11°C
0 mm
33%
W
21:00
10°C
10°C
0 mm
38%
N
22:00
9°C
9°C
0 mm
44%
NE
23:00
9°C
9°C
0 mm
55%
E
1 m/s
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
9°C
9°C
0.4 mm
66%
NE
1 m/s
01:00
10°C
10°C
0.8 mm
77%
N
1 m/s
02:00
10°C
10°C
0.3 mm
60%
NE
1 m/s
03:00
9°C
9°C
0 mm
43%
E
1 m/s
04:00
9°C
9°C
0 mm
27%
E
1 m/s
05:00
10°C
10°C
0 mm
21%
E
1 m/s
06:00
10°C
10°C
0 mm
16%
E
1 m/s
07:00
10°C
10°C
0 mm
10%
NE
1 m/s
08:00
10°C
10°C
0 mm
8%
E
1 m/s
09:00
10°C
10°C
0 mm
7%
E
1 m/s
10:00
11°C
11°C
0 mm
5%
SE
2 m/s
11:00
12°C
12°C
0 mm
5%
SE
2 m/s
12:00
14°C
14°C
0 mm
6%
S
2 m/s
13:00
14°C
14°C
0 mm
6%
S
3 m/s
14:00
15°C
15°C
0 mm
10%
S
3 m/s
15:00
15°C
15°C
0 mm
14%
S
2 m/s
16:00
14°C
14°C
0 mm
18%
S
2 m/s
17:00
13°C
13°C
0.2 mm
37%
S
2 m/s
18:00
12°C
12°C
0.1 mm
56%
S
2 m/s
19:00
12°C
12°C
0.2 mm
75%
S
3 m/s
20:00
12°C
12°C
1.1 mm
81%
S
2 m/s
21:00
12°C
12°C
2.9 mm
87%
S
2 m/s
22:00
11°C
11°C
0.9 mm
93%
S
2 m/s
23:00
11°C
11°C
0.7 mm
77%
S
1 m/s
9°C
9°C
0.4 mm
66%
NE
1 m/s
01:00
10°C
10°C
0.8 mm
77%
N
1 m/s
02:00
10°C
10°C
0.3 mm
60%
NE
1 m/s
03:00
9°C
9°C
0 mm
43%
E
1 m/s
04:00
9°C
9°C
0 mm
27%
E
1 m/s
05:00
10°C
10°C
0 mm
21%
E
1 m/s
06:00
10°C
10°C
0 mm
16%
E
1 m/s
07:00
10°C
10°C
0 mm
10%
NE
1 m/s
08:00
10°C
10°C
0 mm
8%
E
1 m/s
09:00
10°C
10°C
0 mm
7%
E
1 m/s
10:00
11°C
11°C
0 mm
5%
SE
2 m/s
11:00
12°C
12°C
0 mm
5%
SE
2 m/s
12:00
14°C
14°C
0 mm
6%
S
2 m/s
13:00
14°C
14°C
0 mm
6%
S
3 m/s
14:00
15°C
15°C
0 mm
10%
S
3 m/s
15:00
15°C
15°C
0 mm
14%
S
2 m/s
16:00
14°C
14°C
0 mm
18%
S
2 m/s
17:00
13°C
13°C
0.2 mm
37%
S
2 m/s
18:00
12°C
12°C
0.1 mm
56%
S
2 m/s
19:00
12°C
12°C
0.2 mm
75%
S
3 m/s
20:00
12°C
12°C
1.1 mm
81%
S
2 m/s
21:00
12°C
12°C
2.9 mm
87%
S
2 m/s
22:00
11°C
11°C
0.9 mm
93%
S
2 m/s
23:00
11°C
11°C
0.7 mm
77%
S
1 m/s
Monday 23 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
11°C
11°C
1.8 mm
45%
100%
SW
1 m/s
11°C
11°C
1.8 mm
45%
100%
SW
1 m/s
morning
11°C
11°C
1.1 mm
22%
97%
NE
2 m/s
11°C
11°C
1.1 mm
22%
97%
NE
2 m/s
afternoon
14°C
14°C
2.6 mm
52%
94%
NE
3 m/s
14°C
14°C
2.6 mm
52%
94%
NE
3 m/s
evening
13°C
13°C
1.1 mm
79%
100%
SE
3 m/s
13°C
13°C
1.1 mm
79%
100%
SE
3 m/s
Tuesday 24 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
11°C
11°C
16 mm
98%
100%
S
3 m/s
11°C
11°C
16 mm
98%
100%
S
3 m/s
morning
10°C
10°C
7.1 mm
95%
98%
SW
2 m/s
10°C
10°C
7.1 mm
95%
98%
SW
2 m/s
afternoon
13°C
13°C
0.5 mm
53%
64%
W
5 m/s
13°C
13°C
0.5 mm
53%
64%
W
5 m/s
evening
8°C
7°C
0 mm
2%
88%
W
2 m/s
8°C
7°C
0 mm
2%
88%
W
2 m/s
Wednesday 25 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
4°C
4°C
0 mm
2%
96%
NW
1 m/s
4°C
4°C
0 mm
2%
96%
NW
1 m/s
morning
9°C
9°C
0 mm
2%
84%
NW
1 m/s
9°C
9°C
0 mm
2%
84%
NW
1 m/s
afternoon
11°C
11°C
0 mm
2%
63%
W
3 m/s
11°C
11°C
0 mm
2%
63%
W
3 m/s
evening
8°C
7°C
0 mm
10%
88%
SW
2 m/s
8°C
7°C
0 mm
10%
88%
SW
2 m/s
Thursday 26 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
6°C
3°C
1 mm
53%
96%
S
3 m/s
6°C
3°C
1 mm
53%
96%
S
3 m/s
morning
8°C
7°C
5.1 mm
78%
98%
S
3 m/s
8°C
7°C
5.1 mm
78%
98%
S
3 m/s
afternoon
12°C
12°C
0.7 mm
77%
76%
W
2 m/s
12°C
12°C
0.7 mm
77%
76%
W
2 m/s
evening
9°C
9°C
0.2 mm
50%
97%
SW
1 m/s
9°C
9°C
0.2 mm
50%
97%
SW
1 m/s
Friday 27 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
9°C
7°C
10 mm
63%
100%
S
3 m/s
9°C
7°C
10 mm
63%
100%
S
3 m/s
morning
9°C
8°C
9.9 mm
74%
100%
SE
2 m/s
9°C
8°C
9.9 mm
74%
100%
SE
2 m/s
afternoon
12°C
12°C
1.3 mm
81%
100%
SE
2 m/s
12°C
12°C
1.3 mm
81%
100%
SE
2 m/s
evening
11°C
11°C
5 mm
86%
100%
S
2 m/s
11°C
11°C
5 mm
86%
100%
S
2 m/s
Saturday 28 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
11°C
11°C
8.9 mm
86%
100%
S
2 m/s
11°C
11°C
8.9 mm
86%
100%
S
2 m/s
morning
11°C
11°C
5.2 mm
95%
100%
S
2 m/s
11°C
11°C
5.2 mm
95%
100%
S
2 m/s
afternoon
13°C
13°C
4.2 mm
97%
100%
SW
2 m/s
13°C
13°C
4.2 mm
97%
100%
SW
2 m/s
evening
12°C
12°C
1 mm
86%
100%
SW
2 m/s
12°C
12°C
1 mm
86%
100%
SW
2 m/s
Sunday 29 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
11°C
11°C
4.1 mm
75%
100%
S
2 m/s
11°C
11°C
4.1 mm
75%
100%
S
2 m/s
morning
11°C
11°C
42 mm
81%
100%
S
3 m/s
11°C
11°C
42 mm
81%
100%
S
3 m/s
afternoon
12°C
12°C
14 mm
89%
99%
SW
4 m/s
12°C
12°C
14 mm
89%
99%
SW
4 m/s
evening
10°C
10°C
0.1 mm
74%
100%
W
3 m/s
10°C
10°C
0.1 mm
74%
100%
W
3 m/s
Monday 30 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
6°C
5°C
0 mm
47%
100%
W
2 m/s
6°C
5°C
0 mm
47%
100%
W
2 m/s
morning
9°C
8°C
0 mm
22%
95%
NW
2 m/s
9°C
8°C
0 mm
22%
95%
NW
2 m/s
afternoon
12°C
12°C
0 mm
7%
72%
N
1 m/s
12°C
12°C
0 mm
7%
72%
N
1 m/s
evening
8°C
8°C
0 mm
3%
80%
N
1 m/s
8°C
8°C
0 mm
3%
80%
N
1 m/s
Tuesday 31 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
3°C
3°C
0 mm
5%
83%
N
1 m/s
3°C
3°C
0 mm
5%
83%
N
1 m/s
morning
9°C
9°C
0 mm
5%
82%
NE
1 m/s
9°C
9°C
0 mm
5%
82%
NE
1 m/s
afternoon
12°C
12°C
0 mm
4%
52%
NE
1 m/s
12°C
12°C
0 mm
4%
52%
NE
1 m/s
evening
9°C
9°C
1.2 mm
4%
80%
NE
1 m/s
9°C
9°C
1.2 mm
4%
80%
NE
1 m/s
Wednesday 1 Jan
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
6°C
6°C
8.5 mm
4%
79%
SE
1 m/s
6°C
6°C
8.5 mm
4%
79%
SE
1 m/s
morning
9°C
8°C
10 mm
4%
71%
SE
2 m/s
9°C
8°C
10 mm
4%
71%
SE
2 m/s
afternoon
12°C
12°C
1.8 mm
4%
57%
S
1 m/s
12°C
12°C
1.8 mm
4%
57%
S
1 m/s
evening
10°C
10°C
0.1 mm
4%
81%
S
1 m/s
10°C
10°C
0.1 mm
4%
81%
S
1 m/s
