S
M
T
W
T
F
S
29
44°
28°
30
29°
23°
31
24°
11°
1
33°
14°
2
33°
28°
3
38°
24°
4
48°
29°
5
38°
21°
6
35°
17°
7
57°
24°
8
34°
24°
9
44°
20°
10
57°
23°
11
69°
32°
12
60°
32°
13
40°
32°
14
65°
36°
15
64°
33°
16
33°
19°
17
24°
16°
18
42°
16°
19
51°
15°
20
66°
37°
21
81°
35°
22
77°
38°
23
52°
33°
24
35°
22°
25
34°
21°
26
41°
25°
27
44°
22°
28
50°
27°
29
50°
26°
30
59°
33°
1
69°
37°
2
60°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Portal
Portal's April 2026 forecast shows daily high temperatures ranging from 34° to 69°, with overnight lows between 21° and 37°. The average high for April is 51° with an average low of 28°. 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 Portal. See also: May | June | July.
