Extended 10-day forecasts, St Helena Bay
Check out our December climate page to see if the current temperatures in St Helena Bay is typical for this time of year.
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
17°C
17°C
0 mm
5%
S 
14 km/h
01:00
16°C
16°C
0 mm
5%
S
14 km/h
02:00
16°C
16°C
0 mm
5%
S
11 km/h
03:00
16°C
16°C
0 mm
5%
S
11 km/h
04:00
15°C
15°C
0 mm
5%
S
11 km/h
05:00
14°C
14°C
0 mm
5%
S
7 km/h
06:00
15°C
15°C
0 mm
5%
SE
7 km/h
07:00
18°C
18°C
0 mm
5%
SE
4 km/h
08:00
22°C
22°C
0 mm
5%
S
4 km/h
09:00
23°C
23°C
0 mm
7%
SW
14 km/h
10:00
24°C
24°C
0 mm
9%
SW
14 km/h
11:00
25°C
25°C
0 mm
11%
SW
18 km/h
12:00
25°C
25°C
0 mm
12%
SW
18 km/h
13:00
25°C
25°C
0 mm
14%
SW
22 km/h
14:00
25°C
25°C
0 mm
16%
W
18 km/h
15:00
25°C
25°C
0 mm
12%
W
18 km/h
16:00
24°C
24°C
0 mm
9%
W
22 km/h
17:00
23°C
23°C
0.1 mm
5%
W
22 km/h
18:00
22°C
22°C
0 mm
8%
SW
22 km/h
19:00
20°C
20°C
0 mm
11%
SW
18 km/h
20:00
19°C
19°C
0 mm
14%
SW
14 km/h
21:00
18°C
18°C
0 mm
11%
SW
11 km/h
22:00
17°C
17°C
0 mm
9%
SW
7 km/h
23:00
17°C
17°C
0 mm
7%
SW
7 km/h
17°C
17°C
0 mm
5%
S
14 km/h
01:00
16°C
16°C
0 mm
5%
S
14 km/h
02:00
16°C
16°C
0 mm
5%
S
11 km/h
03:00
16°C
16°C
0 mm
5%
S
11 km/h
04:00
15°C
15°C
0 mm
5%
S
11 km/h
05:00
14°C
14°C
0 mm
5%
S
7 km/h
06:00
15°C
15°C
0 mm
5%
SE
7 km/h
07:00
18°C
18°C
0 mm
5%
SE
4 km/h
08:00
22°C
22°C
0 mm
5%
S
4 km/h
09:00
23°C
23°C
0 mm
7%
SW
14 km/h
10:00
24°C
24°C
0 mm
9%
SW
14 km/h
11:00
25°C
25°C
0 mm
11%
SW
18 km/h
12:00
25°C
25°C
0 mm
12%
SW
18 km/h
13:00
25°C
25°C
0 mm
14%
SW
22 km/h
14:00
25°C
25°C
0 mm
16%
W
18 km/h
15:00
25°C
25°C
0 mm
12%
W
18 km/h
16:00
24°C
24°C
0 mm
9%
W
22 km/h
17:00
23°C
23°C
0.1 mm
5%
W
22 km/h
18:00
22°C
22°C
0 mm
8%
SW
22 km/h
19:00
20°C
20°C
0 mm
11%
SW
18 km/h
20:00
19°C
19°C
0 mm
14%
SW
14 km/h
21:00
18°C
18°C
0 mm
11%
SW
11 km/h
22:00
17°C
17°C
0 mm
9%
SW
7 km/h
23:00
17°C
17°C
0 mm
7%
SW
7 km/h
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
17°C
17°C
0 mm
9%
SW
7 km/h
01:00
17°C
17°C
0 mm
10%
SW
7 km/h
02:00
16°C
16°C
0 mm
11%
W
7 km/h
03:00
16°C
16°C
0 mm
18%
SW
11 km/h
04:00
16°C
16°C
0.1 mm
24%
SW
11 km/h
05:00
15°C
15°C
0 mm
31%
W
7 km/h
06:00
16°C
16°C
0.1 mm
30%
SW
14 km/h
07:00
18°C
18°C
0 mm
29%
SW
18 km/h
08:00
19°C
19°C
0.1 mm
28%
SW
18 km/h
09:00
20°C
20°C
0.1 mm
26%
SW
18 km/h
10:00
21°C
21°C
0 mm
24%
SW
22 km/h
11:00
22°C
22°C
0 mm
22%
SW
22 km/h
12:00
23°C
23°C
0 mm
16%
S
22 km/h
13:00
22°C
22°C
0 mm
9%
S
22 km/h
14:00
23°C
23°C
0 mm
3%
S
22 km/h
15:00
23°C
23°C
0 mm
4%
S
22 km/h
16:00
22°C
22°C
0 mm
4%
S
22 km/h
17:00
21°C
21°C
0 mm
5%
S
25 km/h
18:00
20°C
20°C
0 mm
5%
S
25 km/h
19:00
18°C
18°C
0 mm
5%
S
25 km/h
20:00
17°C
17°C
0 mm
5%
S
22 km/h
21:00
16°C
16°C
0 mm
5%
S
18 km/h
22:00
16°C
16°C
0 mm
5%
S
18 km/h
23:00
15°C
15°C
0 mm
5%
S
18 km/h
17°C
17°C
0 mm
9%
SW
7 km/h
01:00
17°C
17°C
0 mm
10%
SW
7 km/h
02:00
16°C
16°C
0 mm
11%
W
7 km/h
03:00
16°C
16°C
0 mm
18%
SW
11 km/h
04:00
16°C
16°C
0.1 mm
24%
SW
11 km/h
05:00
15°C
15°C
0 mm
31%
W
7 km/h
06:00
16°C
16°C
0.1 mm
30%
SW
14 km/h
07:00
18°C
18°C
0 mm
29%
SW
18 km/h
08:00
19°C
19°C
0.1 mm
28%
SW
18 km/h
09:00
20°C
20°C
0.1 mm
26%
SW
18 km/h
10:00
21°C
21°C
0 mm
24%
SW
22 km/h
11:00
22°C
22°C
0 mm
22%
SW
22 km/h
12:00
23°C
23°C
0 mm
16%
S
22 km/h
13:00
22°C
22°C
0 mm
9%
S
22 km/h
14:00
23°C
23°C
0 mm
3%
S
22 km/h
15:00
23°C
23°C
0 mm
4%
S
22 km/h
16:00
22°C
22°C
0 mm
4%
S
22 km/h
17:00
21°C
21°C
0 mm
5%
S
25 km/h
18:00
20°C
20°C
0 mm
5%
S
25 km/h
19:00
18°C
18°C
0 mm
5%
S
25 km/h
20:00
17°C
17°C
0 mm
5%
S
22 km/h
21:00
16°C
16°C
0 mm
5%
S
18 km/h
22:00
16°C
16°C
0 mm
5%
S
18 km/h
23:00
15°C
15°C
0 mm
5%
S
18 km/h
Saturday 14 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
13°C
13°C
0 mm
5%
66%
S
18 km/h
13°C
13°C
0 mm
5%
66%
S
18 km/h
morning
24°C
24°C
0 mm
5%
44%
S
18 km/h
24°C
24°C
0 mm
5%
44%
S
18 km/h
afternoon
25°C
25°C
0 mm
5%
39%
S
22 km/h
25°C
25°C
0 mm
5%
39%
S
22 km/h
evening
17°C
17°C
0 mm
5%
74%
S
22 km/h
17°C
17°C
0 mm
5%
74%
S
22 km/h
Sunday 15 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
13°C
13°C
0 mm
5%
88%
S
11 km/h
13°C
13°C
0 mm
5%
88%
S
11 km/h
morning
24°C
24°C
0 mm
5%
57%
W
14 km/h
24°C
24°C
0 mm
5%
57%
W
14 km/h
afternoon
25°C
25°C
1.1 mm
33%
61%
W
22 km/h
25°C
25°C
1.1 mm
33%
61%
W
22 km/h
evening
17°C
17°C
0 mm
5%
68%
S
18 km/h
17°C
17°C
0 mm
5%
68%
S
18 km/h
Monday 16 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
13°C
13°C
0 mm
6%
65%
S
14 km/h
13°C
13°C
0 mm
6%
65%
S
14 km/h
morning
21°C
21°C
0 mm
5%
41%
S
22 km/h
21°C
21°C
0 mm
5%
41%
S
22 km/h
afternoon
22°C
22°C
0 mm
5%
42%
SW
25 km/h
22°C
22°C
0 mm
5%
42%
SW
25 km/h
evening
17°C
17°C
0 mm
5%
61%
S
14 km/h
17°C
17°C
0 mm
5%
61%
S
14 km/h
Tuesday 17 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
12°C
12°C
0 mm
7%
85%
S
7 km/h
12°C
12°C
0 mm
7%
85%
S
7 km/h
morning
22°C
22°C
0.4 mm
9%
59%
SW
11 km/h
22°C
22°C
0.4 mm
9%
59%
SW
11 km/h
afternoon
23°C
23°C
0.1 mm
5%
50%
SW
22 km/h
23°C
23°C
0.1 mm
5%
50%
SW
22 km/h
evening
18°C
18°C
0.1 mm
5%
66%
S
18 km/h
18°C
18°C
0.1 mm
5%
66%
S
18 km/h
Wednesday 18 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
14°C
14°C
0 mm
6%
73%
S
22 km/h
14°C
14°C
0 mm
6%
73%
S
22 km/h
morning
24°C
24°C
0 mm
6%
55%
S
25 km/h
24°C
24°C
0 mm
6%
55%
S
25 km/h
afternoon
24°C
24°C
0 mm
5%
48%
S
32 km/h
24°C
24°C
0 mm
5%
48%
S
32 km/h
evening
18°C
18°C
0 mm
5%
67%
S
29 km/h
18°C
18°C
0 mm
5%
67%
S
29 km/h
Thursday 19 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
14°C
14°C
0 mm
5%
64%
S
18 km/h
14°C
14°C
0 mm
5%
64%
S
18 km/h
morning
28°C
28°C
0 mm
5%
42%
S
11 km/h
28°C
28°C
0 mm
5%
42%
S
11 km/h
afternoon
30°C
30°C
0 mm
5%
35%
SW
18 km/h
30°C
30°C
0 mm
5%
35%
SW
18 km/h
evening
21°C
21°C
0 mm
5%
72%
S
18 km/h
21°C
21°C
0 mm
5%
72%
S
18 km/h
Friday 20 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
17°C
17°C
0 mm
5%
89%
S
22 km/h
17°C
17°C
0 mm
5%
89%
S
22 km/h
morning
26°C
26°C
0 mm
5%
74%
S
29 km/h
26°C
26°C
0 mm
5%
74%
S
29 km/h
afternoon
26°C
26°C
0 mm
4%
62%
S
36 km/h
26°C
26°C
0 mm
4%
62%
S
36 km/h
evening
20°C
20°C
0 mm
4%
74%
S
36 km/h
20°C
20°C
0 mm
4%
74%
S
36 km/h
Saturday 21 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
16°C
16°C
0 mm
4%
75%
S
32 km/h
16°C
16°C
0 mm
4%
75%
S
32 km/h
morning
26°C
26°C
0 mm
5%
54%
S
32 km/h
26°C
26°C
0 mm
5%
54%
S
32 km/h
afternoon
29°C
29°C
0 mm
5%
41%
S
32 km/h
29°C
29°C
0 mm
5%
41%
S
32 km/h
evening
21°C
21°C
0 mm
5%
59%
S
25 km/h
21°C
21°C
0 mm
5%
59%
S
25 km/h
Sunday 22 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
17°C
17°C
0 mm
5%
68%
SE
22 km/h
17°C
17°C
0 mm
5%
68%
SE
22 km/h
morning
27°C
28°C
0 mm
5%
58%
SE
25 km/h
27°C
28°C
0 mm
5%
58%
SE
25 km/h
afternoon
28°C
28°C
0 mm
5%
56%
S
40 km/h
28°C
28°C
0 mm
5%
56%
S
40 km/h
evening
21°C
21°C
0 mm
5%
66%
S
40 km/h
21°C
21°C
0 mm
5%
66%
S
40 km/h
Monday 23 Dec
Temperature
Feels like
Precipitation
Chance of rain
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
16°C
16°C
0 mm
4%
77%
S
25 km/h
16°C
16°C
0 mm
4%
77%
S
25 km/h
morning
27°C
27°C
0 mm
5%
61%
SE
22 km/h
27°C
27°C
0 mm
5%
61%
SE
22 km/h
afternoon
25°C
25°C
0 mm
6%
62%
S
32 km/h
25°C
25°C
0 mm
6%
62%
S
32 km/h
evening
21°C
21°C
0 mm
4%
78%
S
29 km/h
21°C
21°C
0 mm
4%
78%
S
29 km/h
