S
M
T
W
T
F
S
26
46°
41°
27
55°
39°
28
61°
45°
29
68°
48°
30
73°
52°
1
75°
57°
2
70°
61°
3
64°
48°
4
50°
45°
5
50°
45°
6
69°
53°
7
76°
55°
8
76°
55°
9
81°
58°
10
82°
61°
11
89°
65°
12
89°
64°
13
82°
57°
14
81°
56°
15
79°
57°
16
76°
55°
17
73°
53°
18
71°
52°
19
75°
50°
20
70°
47°
21
69°
48°
22
70°
48°
23
73°
50°
24
75°
51°
25
76°
50°
26
75°
49°
27
78°
50°
28
75°
49°
29
80°
56°
30
82°
56°
31
82°
55°
1
81°
57°
2
82°
57°
3
78°
54°
4
74°
55°
5
74°
54°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Colfax
Colfax's May 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 47° and 65°. The average high for May is 77° with an average low of 54°. 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 Colfax. See also: June | July | August.