S
M
T
W
T
F
S
31
67°
49°
1
69°
48°
2
65°
46°
3
63°
46°
4
65°
47°
5
65°
46°
6
65°
50°
7
67°
49°
8
66°
44°
9
70°
51°
10
71°
52°
11
72°
51°
12
71°
51°
13
69°
50°
14
67°
52°
15
69°
50°
16
69°
49°
17
72°
47°
18
67°
50°
19
68°
49°
20
69°
51°
21
68°
47°
22
68°
49°
23
70°
52°
24
74°
53°
25
74°
51°
26
73°
54°
27
75°
54°
28
76°
53°
29
75°
49°
30
75°
53°
1
74°
49°
2
73°
53°
3
75°
54°
4
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Swanley
Swanley's June 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 44° and 54°. The average high for June is 70° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Swanley. See also: July | August | September.