S
M
T
W
T
F
S
29
70°
30°
30
67°
31°
31
54°
23°
1
35°
26°
2
35°
28°
3
33°
25°
4
42°
27°
5
48°
31°
6
44°
24°
7
57°
20°
8
55°
34°
9
46°
19°
10
58°
25°
11
71°
39°
12
72°
39°
13
72°
24°
14
66°
37°
15
69°
37°
16
65°
42°
17
50°
21°
18
50°
17°
19
52°
19°
20
79°
22°
21
79°
37°
22
84°
47°
23
53°
32°
24
54°
26°
25
50°
28°
26
39°
30°
27
47°
26°
28
54°
31°
29
55°
35°
30
52°
33°
1
64°
37°
2
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thunder Hawk
Thunder Hawk's April 2026 forecast shows daily high temperatures ranging from 39° to 84°, with overnight lows between 26° and 47°. The average high for April is 56° with an average low of 33°. 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 Thunder Hawk. See also: May | June | July.