S
M
T
W
T
F
S
26
84°
67°
27
85°
68°
28
85°
68°
29
84°
67°
30
85°
68°
31
82°
67°
1
78°
66°
2
77°
65°
3
78°
64°
4
79°
66°
5
78°
66°
6
80°
65°
7
81°
66°
8
83°
66°
9
84°
67°
10
83°
67°
11
83°
66°
12
84°
66°
13
83°
67°
14
85°
66°
15
86°
66°
16
83°
65°
17
80°
64°
18
79°
66°
19
82°
60°
20
80°
58°
21
76°
57°
22
75°
57°
23
77°
59°
24
78°
57°
25
76°
57°
26
76°
61°
27
77°
58°
28
80°
57°
29
74°
57°
30
74°
56°
31
73°
56°
1
73°
57°
2
75°
57°
3
74°
58°
4
75°
56°
5
75°
55°
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 73° to 86°, with overnight lows between 55° and 68°. The average high for August is 80° 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.