S
M
T
W
T
F
S
29
71°
41°
30
80°
55°
31
82°
64°
1
80°
61°
2
77°
66°
3
81°
65°
4
67°
42°
5
62°
36°
6
70°
35°
7
68°
43°
8
78°
52°
9
78°
55°
10
80°
57°
11
80°
58°
12
81°
62°
13
80°
63°
14
79°
55°
15
73°
50°
16
71°
50°
17
75°
55°
18
78°
56°
19
77°
57°
20
72°
45°
21
77°
53°
22
75°
51°
23
67°
51°
24
76°
50°
25
72°
52°
26
76°
53°
27
76°
52°
28
74°
52°
29
74°
51°
30
67°
52°
1
68°
53°
2
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thayer
Thayer's April 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 43° and 63°. The average high for April is 75° with an average low of 53°. 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 Thayer. See also: May | June | July.