S
M
T
W
T
F
S
28
79°
67°
29
80°
63°
30
81°
65°
1
83°
63°
2
82°
64°
3
85°
63°
4
82°
64°
5
82°
62°
6
76°
59°
7
77°
64°
8
80°
66°
9
77°
66°
10
82°
67°
11
82°
66°
12
78°
65°
13
78°
66°
14
81°
65°
15
78°
64°
16
80°
65°
17
83°
66°
18
85°
67°
19
86°
66°
20
80°
63°
21
78°
61°
22
82°
65°
23
85°
67°
24
86°
67°
25
83°
66°
26
80°
66°
27
81°
65°
28
78°
65°
29
83°
66°
30
85°
66°
31
82°
62°
1
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Willmar
Willmar's July 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 59° and 67°. The average high for July is 81° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Willmar. See also: August | September | October.