S
M
T
W
T
F
S
29
36°
-12°
30
34°
5°
31
25°
-4°
1
28°
-14°
2
37°
4°
3
42°
16°
4
30°
17°
5
40°
10°
6
24°
2°
7
36°
25°
8
34°
11°
9
33°
3°
10
40°
10°
11
46°
18°
12
46°
20°
13
45°
23°
14
43°
18°
15
45°
22°
16
47°
28°
17
35°
18°
18
43°
24°
19
50°
25°
20
50°
26°
21
51°
26°
22
49°
27°
23
51°
24°
24
40°
21°
25
39°
18°
26
38°
20°
27
44°
24°
28
50°
24°
29
50°
27°
30
51°
26°
1
50°
27°
2
55°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Armstrong
Armstrong's April 2026 forecast shows daily high temperatures ranging from 24° to 55°, with overnight lows between 2° and 31°. The average high for April is 43° with an average low of 20°. 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 Armstrong. See also: May | June | July.