18.08
tue
tue
Day
73°F
E 11 mph
Precip.
13%
13%
Night
68°F
SE 8 mph
Precip.
12%
12%
19.08
wed
wed
Day
73°F
NE 8 mph
Precip.
6%
6%
Night
63°F
E 8 mph
Precip.
13%
13%
20.08
thu
thu
Day
72°F
E 10 mph
Precip.
8%
8%
Night
63°F
SW 8 mph
Precip.
14%
14%
21.08
fri
fri
Day
64°F
SW 5 mph
Precip.
19%
19%
Night
59°F
SW 6 mph
Precip.
3%
3%
22.08
sat
sat
Day
66°F
SW 5 mph
Precip.
10%
10%
Night
61°F
NW 5 mph
Precip.
14%
14%
23.08
sun
sun
Day
70°F
SW 5 mph
Precip.
2%
2%
Night
63°F
SW 10 mph
Precip.
14%
14%
24.08
mon
mon
Day
61°F
SW 14 mph
Precip.
48%
48%
Night
59°F
SW 11 mph
Precip.
20%
20%
25.08
tue
tue
Day
63°F
NE 10 mph
Precip.
18%
18%
Night
61°F
N 2 mph
Precip.
11%
11%
26.08
wed
wed
Day
72°F
NE 6 mph
Precip.
10%
10%
Night
63°F
NE 4 mph
Precip.
60%
60%
27.08
thu
thu
Day
68°F
NE 2 mph
Precip.
14%
14%
Night
64°F
NE 6 mph
Precip.
13%
13%
28.08
fri
fri
Day
61°F
NE 13 mph
Precip.
40%
40%
Night
63°F
NE 6 mph
Precip.
83%
83%
29.08
sat
sat
Day
61°F
NE 9 mph
Precip.
73%
73%
Night
55°F
NE 9 mph
Precip.
9%
9%
30.08
sun
sun
Day
64°F
NE 11 mph
Precip.
7%
7%
Night
61°F
NE 8 mph
Precip.
6%
6%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 70.9°F and 69.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.9°F. The highest and lowest sea temperatures during the month were 65.8°F and 59.2°F.
Air temperature in London, °F
Precipitation total in London, in.
* Charts above show average data for the last 3 years.
Best time for vacation in London
London on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
London
Local time: 00:29
August 18, tuesday
0300
66°F
E
9 mph
9 mph
0600
64°F
E
9 mph
9 mph
0900
70°F
E
10 mph
10 mph
1200
73°F
E
11 mph
11 mph
1500
77°F
E
12 mph
12 mph
1800
77°F
E
9 mph
9 mph
2100
72°F
E
9 mph
9 mph
August 19, wednesday
0000
68°F
SE
8 mph
8 mph
