Swanley (Kent) weather

Forecast days

Sunny changing to partly cloudy by nighttime.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

7 day forecast for Swanley

Today (25 August 2026)
Time
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Partly cloudy night Clear night Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
10%
10%
<5%
10%
Temperature
19°
21°
22°
23°
23°
23°
23°
23°
22°
21°
20°
19°
18°
18°
18°
Feels like temperature (°C)
17°
18°
19°
20°
20°
20°
21°
20°
20°
19°
19°
18°
18°
18°
18°
Wind direction and speed
ENE
9
ENE
11
ENE
11
ENE
11
E
11
ENE
11
ENE
11
E
11
E
11
ENE
10
ENE
9
ENE
8
ENE
7
ENE
6
ENE
5
Wind gust (mph)
24
26
28
28
27
26
26
25
24
23
20
16
15
14
13
Visibility
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
72%
63%
55%
46%
41%
41%
41%
43%
52%
56%
64%
69%
74%
77%
83%
UV 3 4 5 6 6 5 4 3 2 1 1 1 - - -
Wednesday (26 August 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Cloudy Cloudy Light rain Light rain Heavy rain Light rain Light shower day Light shower day Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Partly cloudy night Partly cloudy night
Chance of precipitation
30%
40%
60%
70%
70%
70%
60%
60%
40%
30%
30%
20%
30%
40%
30%
30%
30%
20%
10%
10%
<5%
<5%
<5%
20%
Temperature (°C)
17°
17°
17°
17°
17°
17°
17°
17°
18°
19°
21°
22°
23°
24°
25°
24°
25°
25°
24°
23°
21°
20°
19°
19°
Feels like temperature (°C)
18°
18°
18°
17°
17°
17°
17°
17°
18°
20°
22°
23°
24°
25°
25°
24°
25°
24°
23°
23°
21°
21°
20°
19°
Wind direction and speed (mph)
ENE
4
ENE
3
NE
3
NE
4
ENE
4
E
4
ENE
4
E
4
ESE
5
ESE
5
SE
5
SE
5
SE
5
SE
6
SE
6
SE
7
SE
7
SSE
7
SSE
7
SE
7
ESE
6
ESE
5
ESE
5
E
4
Wind gust (mph)
12
11
10
11
11
10
11
12
13
14
14
15
17
18
19
19
19
18
17
13
12
12
12
11
Visibility (description)
G
G
G
G
M
M
M
M
M
G
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
Humidity
85%
86%
88%
90%
92%
93%
94%
94%
92%
90%
85%
77%
70%
66%
64%
59%
57%
55%
55%
59%
69%
75%
79%
84%
UV - - - - - - 1 1 1 2 3 5 5 6 5 3 2 1 1 1 - - - -
Thursday (27 August 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Partly cloudy night Cloudy Cloudy Cloudy Light shower night Light shower night Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Partly cloudy night Cloudy
Chance of precipitation
30%
30%
40%
50%
50%
50%
50%
40%
40%
30%
20%
20%
20%
30%
20%
10%
10%
10%
20%
20%
20%
20%
30%
30%
Temperature (°C)
18°
18°
18°
18°
18°
18°
18°
18°
19°
20°
22°
23°
24°
25°
25°
25°
25°
24°
24°
23°
21°
20°
19°
18°
Feels like temperature (°C)
19°
19°
18°
18°
18°
18°
18°
18°
20°
21°
23°
24°
24°
25°
25°
25°
24°
24°
24°
23°
20°
20°
19°
19°
Wind direction and speed (mph)
ENE
4
ENE
3
ENE
4
ENE
4
E
4
E
4
ESE
4
ESE
4
SE
5
SSE
5
SSE
6
SSE
6
SSE
7
SSE
7
S
7
S
7
S
8
S
7
SSW
7
SSW
7
SSW
7
SW
6
SW
5
SW
4
Wind gust (mph)
12
12
13
13
13
12
12
13
14
15
15
17
19
20
20
21
21
19
18
17
15
13
13
13
Visibility (description)
G
G
G
M
M
M
M
M
G
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
VG
VG
G
VG
Humidity
88%
91%
92%
94%
95%
95%
95%
94%
91%
86%
78%
72%
64%
59%
59%
57%
56%
58%
59%
63%
68%
75%
79%
81%
UV - - - - - - 1 1 1 2 3 4 5 4 5 3 2 1 1 1 - - - -
Friday (28 August 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
30%
30%
40%
40%
40%
50%
40%
50%
50%
50%
60%
60%
60%
60%
60%
60%
60%
50%
50%
50%
40%
40%
30%
30%
Temperature (°C)
18°
18°
17°
17°
16°
16°
16°
16°
17°
18°
19°
20°
20°
20°
20°
21°
21°
21°
20°
19°
18°
18°
18°
17°
Feels like temperature (°C)
18°
17°
17°
17°
16°
16°
15°
15°
16°
17°
18°
19°
19°
19°
19°
19°
20°
19°
18°
18°
17°
16°
16°
16°
Wind direction and speed (mph)
SSW
5
SW
6
SSW
6
SW
6
SW
7
SW
6
SW
7
SW
7
SW
7
WSW
9
WSW
9
WSW
9
WSW
9
SW
9
WSW
10
WSW
10
SW
10
SW
11
SW
11
SW
10
SW
9
SW
9
SW
9
WSW
9
Wind gust (mph)
12
13
13
13
13
14
16
17
18
20
22
22
24
27
28
29
30
29
28
27
22
21
21
20
Visibility (description)
G
G
G
G
VG
G
G
G
G
G
G
G
G
VG
G
G
G
G
G
VG
VG
G
G
G
Humidity
84%
86%
85%
86%
87%
88%
90%
89%
86%
82%
79%
73%
73%
75%
72%
65%
68%
71%
66%
73%
80%
83%
84%
84%
UV - - - - - - 1 1 1 2 3 5 5 3 4 3 2 1 1 1 - - - -
Saturday (29 August 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
20%
10%
10%
10%
<5%
10%
10%
10%
10%
20%
30%
30%
40%
50%
50%
50%
40%
40%
40%
40%
30%
30%
30%
30%
Temperature (°C)
17°
17°
16°
16°
16°
16°
15°
16°
17°
18°
19°
20°
20°
21°
21°
21°
21°
21°
20°
20°
19°
18°
18°
18°
Feels like temperature (°C)
16°
16°
15°
15°
15°
15°
14°
15°
16°
17°
18°
18°
19°
19°
19°
19°
19°
19°
19°
18°
18°
17°
17°
17°
Wind direction and speed (mph)
WSW
9
WSW
9
WSW
9
WSW
9
WSW
8
WSW
8
WSW
8
WSW
8
WSW
9
WSW
9
WSW
9
WSW
10
SW
10
SW
11
SW
11
SW
11
SW
11
SW
10
SW
10
SW
10
SW
9
SW
9
SW
8
SW
8
Wind gust (mph)
20
19
18
18
17
17
17
18
21
22
22
25
26
27
27
26
25
25
24
22
21
19
18
17
Visibility (description)
G
G
G
G
G
G
G
G
VG
VG
VG
VG
VG
VG
G
G
G
G
VG
VG
VG
G
G
G
Humidity
86%
86%
86%
86%
86%
86%
87%
86%
84%
77%
71%
66%
62%
61%
64%
65%
67%
71%
72%
78%
81%
84%
85%
86%
UV - - - - - - 1 1 1 2 3 4 4 3 3 3 2 1 1 1 - - - -
Sunday (30 August 2026)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Light shower day Sunny intervals Sunny day Clear night Partly cloudy night
Chance of precipitation
30%
30%
20%
30%
50%
50%
40%
30%
30%
Temperature (°C)
17°
17°
17°
16°
18°
21°
22°
19°
18°
Feels like temperature (°C)
17°
16°
16°
16°
17°
19°
21°
18°
17°
Wind direction and speed (mph)
SW
8
SW
8
SW
7
SSW
7
SW
9
SW
11
SW
9
SSW
8
SSW
7
Wind gust (mph)
17
18
16
22
27
30
30
26
21
Visibility (description)
G
G
G
G
G
VG
G
G
G
Humidity
87%
88%
89%
91%
81%
65%
60%
68%
79%
UV - - - 1 4 5 2 1 -
Monday (31 August 2026)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Clear night Clear night
Chance of precipitation
30%
30%
40%
50%
40%
30%
10%
10%
Temperature (°C)
16°
15°
15°
17°
20°
21°
19°
17°
Feels like temperature (°C)
16°
14°
14°
16°
17°
19°
18°
16°
Wind direction and speed (mph)
SW
6
SW
7
SW
7
SW
9
WSW
10
WSW
9
WSW
8
WSW
7
Wind gust (mph)
19
19
24
27
29
28
24
20
Visibility (description)
VG
G
G
VG
VG
VG
VG
VG
Humidity
84%
86%
86%
75%
58%
53%
58%
69%
UV - - 1 4 5 2 1 -

UK video forecast

Swanley weather map

View the weather with our interactive map

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London & South East England weather forecast

Headline:

Turning warmer but a thundery breakdown later.

Today:

A dry and bright day with lengthy sunny spells. Light to moderate easterly winds throughout, leading to a cooler feel around the coastal areas, but turning increasingly humid. Maximum temperature 27 °C.

Tonight:

A dry start to the evening but cloud will start to thicken across higher ground to the north overnight. Thundery showers moving into the south. Feeling mild. Minimum temperature 17 °C.

Wednesday:

Cloudy start to Wednesday with thundery showers. Cloud lifts into the afternoon, bringing some brighter and even sunny spells. Any daytime showers will fade into the evening. Feeling warm. Maximum temperature 27 °C.

Outlook for Thursday to Saturday:

Changeable weather with spells of heavy rain, some thunderstorms and strong winds. Brighter intervals and scattered showers at times. Temperatures mostly near normal, feeling warm and humid in places.

Updated:

UK long range weather forecast