S
M
T
W
T
F
S
31
72°
54°
1
70°
52°
2
72°
55°
3
68°
52°
4
66°
52°
5
63°
50°
6
64°
48°
7
68°
52°
8
63°
48°
9
64°
45°
10
61°
45°
11
61°
46°
12
72°
57°
13
63°
54°
14
64°
48°
15
64°
46°
16
77°
52°
17
72°
61°
18
77°
59°
19
82°
59°
20
75°
64°
21
75°
57°
22
77°
55°
23
91°
59°
24
84°
63°
25
82°
59°
26
97°
61°
27
86°
66°
28
77°
55°
29
72°
52°
30
77°
57°
1
N/A
2
72°
52°
3
77°
57°
4
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Sleaford
Sleaford's June 2026 forecast shows daily high temperatures ranging from 72° to 77°, with overnight lows between 52° and 59°. The average high for June is 75° with an average low of 56°. 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 Sleaford. See also: July | August | September.