S
M
T
W
T
F
S
26
83°
59°
27
84°
59°
28
82°
60°
29
82°
59°
30
83°
59°
31
81°
58°
1
77°
58°
2
75°
57°
3
75°
58°
4
76°
57°
5
77°
58°
6
76°
57°
7
76°
56°
8
77°
58°
9
76°
58°
10
74°
57°
11
75°
58°
12
75°
57°
13
76°
57°
14
78°
56°
15
76°
57°
16
74°
57°
17
75°
56°
18
75°
56°
19
76°
54°
20
76°
57°
21
76°
52°
22
76°
49°
23
75°
47°
24
74°
53°
25
75°
55°
26
78°
48°
27
75°
47°
28
74°
54°
29
73°
54°
30
83°
47°
31
74°
46°
1
74°
51°
2
79°
54°
3
73°
46°
4
72°
54°
5
73°
51°
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 72° to 84°, with overnight lows between 46° and 60°. The average high for August is 77° with an average low of 55°. 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.