S
M
T
W
T
F
S
29
68°
40°
30
84°
59°
31
83°
54°
1
54°
43°
2
74°
48°
3
80°
54°
4
72°
40°
5
57°
38°
6
58°
35°
7
50°
38°
8
68°
52°
9
73°
55°
10
65°
47°
11
71°
56°
12
78°
64°
13
77°
64°
14
74°
52°
15
69°
53°
16
61°
44°
17
64°
49°
18
67°
50°
19
68°
46°
20
72°
53°
21
73°
55°
22
73°
52°
23
72°
51°
24
73°
46°
25
64°
53°
26
67°
53°
27
71°
51°
28
74°
52°
29
68°
46°
30
65°
50°
1
68°
52°
2
69°
50°
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 50° to 78°, with overnight lows between 35° and 64°. The average high for April is 69° with an average low of 51°. 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.