S
M
T
W
T
F
S
26
66°
48°
27
67°
44°
28
68°
36°
29
70°
37°
30
71°
33°
1
70°
41°
2
71°
43°
3
75°
47°
4
74°
48°
5
66°
43°
6
69°
40°
7
80°
45°
8
82°
47°
9
84°
48°
10
85°
47°
11
80°
48°
12
80°
46°
13
82°
50°
14
86°
52°
15
71°
48°
16
71°
46°
17
72°
47°
18
72°
46°
19
73°
49°
20
73°
46°
21
72°
43°
22
73°
45°
23
76°
50°
24
73°
45°
25
71°
41°
26
72°
41°
27
73°
42°
28
75°
47°
29
81°
50°
30
84°
53°
31
82°
52°
1
78°
52°
2
80°
51°
3
83°
50°
4
85°
52°
5
86°
54°
6
83°
54°
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 66° to 86°, with overnight lows between 40° and 54°. The average high for May is 77° 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 Farmington. See also: June | July | August.
