S
M
T
W
T
F
S
26
77°
64°
27
78°
60°
28
77°
60°
29
80°
64°
30
83°
64°
31
84°
62°
1
77°
60°
2
83°
63°
3
77°
55°
4
75°
61°
5
77°
58°
6
78°
57°
7
79°
56°
8
80°
54°
9
80°
62°
10
81°
60°
11
77°
56°
12
81°
54°
13
75°
53°
14
76°
55°
15
77°
58°
16
76°
56°
17
75°
52°
18
74°
53°
19
78°
55°
20
77°
60°
21
78°
61°
22
79°
62°
23
82°
61°
24
80°
55°
25
81°
56°
26
78°
52°
27
76°
58°
28
79°
55°
29
80°
51°
30
73°
49°
31
73°
52°
1
74°
51°
2
72°
52°
3
72°
51°
4
71°
48°
5
70°
49°
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 70° to 84°, with overnight lows between 48° and 64°. The average high for August is 77° with an average low of 57°. 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.