S
M
T
W
T
F
S
31
81°
61°
1
85°
56°
2
84°
58°
3
84°
61°
4
83°
65°
5
80°
67°
6
82°
64°
7
80°
63°
8
82°
65°
9
84°
64°
10
85°
64°
11
83°
62°
12
79°
61°
13
80°
61°
14
81°
58°
15
75°
53°
16
73°
54°
17
73°
56°
18
72°
56°
19
74°
57°
20
75°
63°
21
75°
63°
22
77°
62°
23
80°
62°
24
81°
63°
25
82°
65°
26
84°
64°
27
79°
61°
28
78°
64°
29
77°
61°
30
78°
65°
1
80°
65°
2
80°
66°
3
83°
65°
4
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grinnell
Grinnell's June 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 53° and 67°. The average high for June is 80° with an average low of 62°. 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 Grinnell. See also: July | August | September.
