S
M
T
W
T
F
S
26
86°
67°
27
79°
62°
28
80°
64°
29
83°
66°
30
82°
62°
31
82°
66°
1
82°
62°
2
82°
59°
3
81°
61°
4
79°
58°
5
80°
59°
6
79°
60°
7
80°
60°
8
81°
61°
9
84°
64°
10
79°
65°
11
82°
67°
12
85°
67°
13
85°
68°
14
84°
63°
15
85°
59°
16
83°
61°
17
79°
66°
18
78°
61°
19
79°
58°
20
77°
59°
21
78°
61°
22
80°
62°
23
83°
65°
24
84°
66°
25
85°
58°
26
84°
58°
27
77°
59°
28
77°
58°
29
78°
64°
30
81°
65°
31
84°
65°
1
84°
57°
2
80°
58°
3
82°
63°
4
77°
63°
5
77°
62°
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 77° to 86°, with overnight lows between 57° and 68°. The average high for August is 81° 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 August weather will actually feel in Northfield. See also: September | October | November.