S
M
T
W
T
F
S
29
59°
32°
30
53°
26°
31
52°
19°
1
57°
36°
2
59°
27°
3
62°
28°
4
69°
30°
5
73°
36°
6
78°
36°
7
71°
40°
8
68°
37°
9
73°
41°
10
72°
47°
11
69°
46°
12
62°
39°
13
65°
35°
14
63°
40°
15
60°
36°
16
58°
35°
17
58°
36°
18
65°
37°
19
63°
37°
20
65°
36°
21
70°
37°
22
62°
36°
23
61°
32°
24
61°
32°
25
60°
33°
26
62°
33°
27
65°
34°
28
67°
35°
29
63°
34°
30
63°
38°
1
64°
35°
2
65°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Union Gap
Union Gap's April 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 32° and 47°. The average high for April is 64° with an average low of 37°. 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 Union Gap. See also: May | June | July.
