S
M
T
W
T
F
S
26
61°
43°
27
71°
40°
28
72°
48°
29
55°
45°
30
51°
38°
1
43°
35°
2
44°
34°
3
59°
32°
4
71°
48°
5
68°
47°
6
55°
41°
7
56°
40°
8
58°
47°
9
67°
45°
10
55°
39°
11
51°
34°
12
52°
41°
13
55°
40°
14
58°
43°
15
60°
48°
16
64°
45°
17
67°
51°
18
68°
50°
19
66°
51°
20
69°
47°
21
63°
43°
22
62°
45°
23
64°
47°
24
64°
45°
25
65°
46°
26
65°
45°
27
66°
44°
28
66°
47°
29
69°
47°
30
72°
51°
31
73°
55°
1
72°
52°
2
70°
51°
3
76°
55°
4
77°
56°
5
77°
57°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middlefield
Middlefield's May 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 34° and 57°. The average high for May is 65° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Middlefield. See also: June | July | August.