S
M
T
W
T
F
S
31
87°
65°
1
88°
65°
2
80°
58°
3
80°
51°
4
83°
55°
5
84°
66°
6
84°
69°
7
85°
70°
8
84°
73°
9
93°
74°
10
94°
75°
11
94°
70°
12
86°
65°
13
82°
67°
14
79°
63°
15
75°
61°
16
73°
59°
17
79°
62°
18
82°
65°
19
86°
67°
20
83°
65°
21
85°
64°
22
81°
67°
23
83°
66°
24
85°
68°
25
88°
68°
26
88°
69°
27
87°
68°
28
84°
65°
29
86°
68°
30
83°
69°
1
83°
68°
2
84°
69°
3
86°
69°
4
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Flat River
Flat River's June 2026 forecast shows daily high temperatures ranging from 73° to 94°, with overnight lows between 59° and 75°. The average high for June is 84° 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 Flat River. See also: July | August | September.