S
M
T
W
T
F
S
26
83°
63°
27
82°
63°
28
81°
62°
29
79°
59°
30
77°
56°
31
74°
55°
1
74°
55°
2
75°
56°
3
77°
62°
4
77°
60°
5
78°
62°
6
79°
63°
7
78°
61°
8
76°
59°
9
76°
58°
10
77°
56°
11
79°
61°
12
82°
63°
13
83°
61°
14
84°
62°
15
83°
61°
16
82°
62°
17
84°
55°
18
77°
53°
19
75°
52°
20
73°
51°
21
74°
52°
22
75°
52°
23
75°
53°
24
79°
53°
25
81°
55°
26
80°
59°
27
82°
53°
28
78°
52°
29
73°
51°
30
74°
51°
31
76°
54°
1
79°
50°
2
72°
50°
3
73°
54°
4
77°
58°
5
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Middlefield
Middlefield's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 50° and 63°. The average high for August is 78° 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 Middlefield. See also: September | October | November.