S
M
T
W
T
F
S
31
73°
55°
1
72°
52°
2
68°
54°
3
66°
52°
4
66°
55°
5
64°
50°
6
66°
50°
7
70°
54°
8
64°
48°
9
63°
45°
10
61°
46°
11
61°
43°
12
72°
57°
13
64°
52°
14
66°
50°
15
N/A
16
69°
56°
17
71°
55°
18
72°
56°
19
74°
57°
20
69°
54°
21
79°
63°
22
73°
55°
23
69°
56°
24
71°
57°
25
69°
56°
26
69°
56°
27
70°
58°
28
68°
55°
29
68°
57°
30
67°
57°
1
63°
56°
2
63°
54°
3
62°
51°
4
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Horncastle
Horncastle's June 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 51° and 63°. The average high for June is 69° 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 Horncastle. See also: July | August | September.
