S
M
T
W
T
F
S
29
44°
34°
30
47°
29°
31
57°
36°
1
47°
41°
2
52°
40°
3
56°
43°
4
58°
40°
5
62°
44°
6
66°
44°
7
53°
43°
8
57°
39°
9
61°
41°
10
63°
47°
11
52°
45°
12
54°
45°
13
50°
42°
14
47°
37°
15
47°
34°
16
53°
41°
17
55°
42°
18
58°
44°
19
56°
44°
20
55°
43°
21
58°
43°
22
60°
44°
23
54°
37°
24
53°
39°
25
53°
40°
26
55°
40°
27
59°
41°
28
60°
41°
29
55°
42°
30
54°
46°
1
55°
42°
2
56°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fairmont
Fairmont's April 2026 forecast shows daily high temperatures ranging from 47° to 63°, with overnight lows between 34° and 47°. The average high for April is 55° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Fairmont. See also: May | June | July.