S
M
T
W
T
F
S
31
87°
58°
1
83°
54°
2
86°
56°
3
83°
60°
4
84°
62°
5
84°
63°
6
84°
60°
7
88°
65°
8
85°
64°
9
94°
65°
10
80°
56°
11
78°
54°
12
80°
54°
13
74°
51°
14
72°
48°
15
75°
49°
16
72°
50°
17
76°
53°
18
79°
56°
19
79°
54°
20
82°
57°
21
77°
58°
22
75°
58°
23
78°
62°
24
79°
62°
25
78°
63°
26
80°
62°
27
78°
58°
28
80°
64°
29
84°
64°
30
87°
63°
1
87°
65°
2
88°
64°
3
82°
63°
4
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Thompson
Fort Thompson's June 2026 forecast shows daily high temperatures ranging from 72° to 94°, with overnight lows between 48° and 65°. The average high for June is 80° with an average low of 59°. 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 Fort Thompson. See also: July | August | September.