S
M
T
W
T
F
S
26
83°
60°
27
73°
54°
28
68°
54°
29
85°
60°
30
76°
59°
1
69°
57°
2
70°
48°
3
73°
42°
4
81°
43°
5
82°
50°
6
85°
63°
7
75°
57°
8
74°
50°
9
71°
56°
10
84°
59°
11
83°
57°
12
72°
54°
13
81°
52°
14
78°
57°
15
79°
46°
16
88°
51°
17
92°
63°
18
92°
61°
19
90°
65°
20
91°
66°
21
88°
66°
22
87°
66°
23
84°
66°
24
87°
67°
25
85°
66°
26
86°
67°
27
83°
65°
28
83°
67°
29
84°
64°
30
82°
63°
31
84°
62°
1
83°
73°
2
87°
67°
3
86°
66°
4
81°
66°
5
82°
63°
6
84°
67°
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 81° to 91°, with overnight lows between 62° and 73°. The average high for May is 85° with an average low of 66°. 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.
