S
M
T
W
T
F
S
31
73°
54°
1
73°
54°
2
67°
53°
3
73°
51°
4
74°
54°
5
75°
55°
6
68°
52°
7
67°
49°
8
67°
47°
9
69°
47°
10
68°
48°
11
69°
48°
12
69°
49°
13
70°
49°
14
69°
48°
15
70°
49°
16
71°
50°
17
69°
50°
18
69°
49°
19
70°
49°
20
71°
52°
21
71°
56°
22
72°
56°
23
71°
52°
24
72°
57°
25
72°
56°
26
74°
60°
27
75°
60°
28
79°
59°
29
81°
53°
30
77°
54°
1
77°
50°
2
80°
56°
3
83°
61°
4
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Thief River Falls
Thief River Falls's June 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 47° and 61°. The average high for June is 72° with an average low of 53°. 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 Thief River Falls. See also: July | August | September.