S
M
T
W
T
F
S
31
88°
67°
1
80°
67°
2
83°
59°
3
84°
55°
4
85°
58°
5
85°
59°
6
88°
63°
7
81°
65°
8
81°
72°
9
89°
69°
10
91°
67°
11
92°
71°
12
82°
71°
13
90°
70°
14
82°
65°
15
79°
60°
16
81°
60°
17
90°
75°
18
83°
68°
19
86°
59°
20
89°
67°
21
84°
70°
22
81°
63°
23
82°
61°
24
83°
63°
25
84°
65°
26
86°
66°
27
89°
69°
28
88°
70°
29
88°
70°
30
87°
65°
1
83°
62°
2
84°
68°
3
86°
69°
4
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Hartsville
Hartsville's June 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 59° and 75°. The average high for June is 86° with an average low of 67°. 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 Hartsville. See also: July | August | September.