S
M
T
W
T
F
S
26
60°
37°
27
71°
37°
28
65°
53°
29
55°
45°
30
50°
41°
1
50°
36°
2
48°
35°
3
58°
34°
4
74°
46°
5
70°
48°
6
49°
42°
7
54°
35°
8
57°
37°
9
67°
38°
10
57°
40°
11
54°
37°
12
57°
33°
13
67°
45°
14
47°
44°
15
65°
47°
16
78°
58°
17
75°
57°
18
89°
68°
19
87°
66°
20
67°
42°
21
56°
43°
22
62°
46°
23
68°
50°
24
69°
53°
25
72°
53°
26
70°
55°
27
72°
56°
28
70°
51°
29
68°
55°
30
68°
55°
31
69°
51°
1
67°
48°
2
67°
48°
3
68°
49°
4
69°
50°
5
72°
57°
6
73°
59°
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 56° to 89°, with overnight lows between 42° and 68°. The average high for May is 70° with an average low of 53°. 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.
