S
M
T
W
T
F
S
31
73°
55°
1
73°
52°
2
67°
52°
3
65°
52°
4
62°
50°
5
63°
48°
6
62°
50°
7
66°
51°
8
68°
54°
9
66°
50°
10
70°
51°
11
71°
52°
12
71°
52°
13
70°
51°
14
71°
52°
15
64°
49°
16
66°
53°
17
68°
53°
18
66°
50°
19
65°
48°
20
65°
49°
21
69°
54°
22
69°
54°
23
68°
52°
24
67°
54°
25
67°
52°
26
66°
53°
27
67°
50°
28
66°
49°
29
67°
54°
30
68°
53°
1
67°
53°
2
67°
54°
3
68°
53°
4
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Harleston
Harleston's June 2026 forecast shows daily high temperatures ranging from 62° to 71°, with overnight lows between 48° and 54°. The average high for June is 67° with an average low of 52°. 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 Harleston. See also: July | August | September.
