S
M
T
W
T
F
S
26
59°
40°
27
68°
42°
28
68°
46°
29
60°
49°
30
59°
41°
1
60°
39°
2
58°
37°
3
56°
40°
4
59°
41°
5
62°
46°
6
63°
46°
7
63°
44°
8
62°
43°
9
61°
45°
10
63°
43°
11
64°
42°
12
64°
46°
13
65°
46°
14
64°
43°
15
63°
43°
16
62°
44°
17
61°
43°
18
63°
43°
19
69°
49°
20
67°
45°
21
65°
44°
22
66°
45°
23
65°
44°
24
66°
46°
25
68°
53°
26
72°
49°
27
66°
47°
28
67°
47°
29
70°
52°
30
76°
55°
31
76°
51°
1
74°
54°
2
77°
57°
3
79°
57°
4
79°
56°
5
78°
50°
6
71°
51°
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 79°, with overnight lows between 37° and 57°. The average high for May is 66° with an average low of 46°. 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.
