S
M
T
W
T
F
S
26
82°
64°
27
87°
68°
28
87°
68°
29
82°
67°
30
87°
64°
31
83°
61°
1
81°
61°
2
82°
62°
3
81°
65°
4
87°
68°
5
88°
68°
6
88°
67°
7
84°
65°
8
87°
67°
9
87°
66°
10
85°
60°
11
81°
59°
12
82°
61°
13
81°
60°
14
83°
60°
15
81°
62°
16
80°
65°
17
80°
64°
18
81°
61°
19
80°
59°
20
80°
60°
21
81°
62°
22
81°
65°
23
80°
64°
24
85°
65°
25
85°
57°
26
84°
57°
27
79°
58°
28
78°
59°
29
78°
61°
30
77°
62°
31
78°
63°
1
82°
58°
2
77°
58°
3
78°
59°
4
77°
56°
5
76°
56°
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 76° to 88°, with overnight lows between 56° and 68°. The average high for August is 82° 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.