S
M
T
W
T
F
S
26
64°
45°
27
61°
43°
28
55°
39°
29
55°
37°
30
52°
34°
1
54°
36°
2
66°
37°
3
72°
48°
4
64°
39°
5
52°
34°
6
48°
36°
7
61°
37°
8
68°
47°
9
68°
39°
10
59°
35°
11
67°
46°
12
67°
44°
13
70°
50°
14
73°
51°
15
72°
52°
16
65°
49°
17
68°
49°
18
69°
52°
19
70°
51°
20
64°
44°
21
65°
45°
22
64°
45°
23
64°
48°
24
65°
54°
25
66°
54°
26
67°
49°
27
71°
53°
28
73°
55°
29
76°
57°
30
76°
58°
31
75°
57°
1
72°
52°
2
77°
59°
3
79°
61°
4
76°
56°
5
68°
54°
6
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Farmington
Farmington's May 2026 forecast shows daily high temperatures ranging from 48° to 79°, with overnight lows between 35° and 61°. The average high for May is 69° with an average low of 50°. 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 Farmington. See also: June | July | August.
