S
M
T
W
T
F
S
31
62°
36°
1
65°
43°
2
70°
38°
3
79°
41°
4
86°
51°
5
85°
53°
6
77°
61°
7
68°
48°
8
76°
48°
9
83°
55°
10
84°
61°
11
83°
60°
12
82°
58°
13
83°
60°
14
80°
56°
15
77°
57°
16
82°
58°
17
79°
54°
18
76°
58°
19
79°
56°
20
73°
53°
21
77°
51°
22
71°
50°
23
72°
50°
24
72°
59°
25
74°
60°
26
81°
52°
27
73°
52°
28
74°
53°
29
74°
52°
30
75°
53°
1
74°
53°
2
75°
55°
3
81°
60°
4
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Calais
Calais's June 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 48° and 61°. The average high for June is 78° with an average low of 55°. 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 Calais. See also: July | August | September.