S
M
T
W
T
F
S
26
95°
64°
27
94°
62°
28
94°
62°
29
98°
66°
30
92°
67°
31
100°
62°
1
102°
64°
2
102°
65°
3
107°
66°
4
105°
66°
5
101°
67°
6
101°
68°
7
103°
67°
8
102°
69°
9
99°
65°
10
95°
65°
11
96°
63°
12
94°
64°
13
95°
62°
14
95°
65°
15
91°
64°
16
91°
64°
17
95°
65°
18
95°
64°
19
96°
65°
20
96°
66°
21
95°
66°
22
96°
65°
23
96°
65°
24
95°
64°
25
95°
65°
26
94°
64°
27
95°
64°
28
94°
64°
29
92°
63°
30
94°
64°
31
94°
64°
1
93°
63°
2
94°
64°
3
90°
63°
4
90°
64°
5
93°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hilmar-Irwin
Hilmar-Irwin's August 2026 forecast shows daily high temperatures ranging from 90° to 107°, with overnight lows between 62° and 69°. The average high for August is 96° 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 August weather will actually feel in Hilmar-Irwin. See also: September | October | November.