S
M
T
W
T
F
S
26
93°
71°
27
94°
71°
28
87°
66°
29
90°
65°
30
86°
69°
31
73°
63°
1
85°
61°
2
83°
56°
3
84°
63°
4
75°
58°
5
77°
54°
6
80°
50°
7
78°
61°
8
80°
54°
9
85°
64°
10
86°
64°
11
88°
67°
12
87°
68°
13
79°
64°
14
80°
66°
15
81°
64°
16
81°
56°
17
81°
62°
18
81°
62°
19
80°
57°
20
77°
58°
21
78°
61°
22
80°
60°
23
83°
59°
24
81°
59°
25
81°
57°
26
80°
56°
27
78°
55°
28
75°
56°
29
81°
60°
30
82°
62°
31
83°
62°
1
83°
60°
2
82°
61°
3
82°
60°
4
81°
61°
5
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Northfield
Northfield's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 55° and 66°. The average high for August is 81° with an average low of 60°. 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 Northfield. See also: September | October | November.