S
M
T
W
T
F
S
29
56°
29°
30
54°
32°
31
38°
26°
1
38°
26°
2
31°
27°
3
34°
26°
4
38°
30°
5
41°
20°
6
27°
10°
7
36°
4°
8
42°
33°
9
34°
27°
10
49°
24°
11
49°
37°
12
67°
44°
13
48°
38°
14
50°
34°
15
73°
32°
16
82°
32°
17
42°
28°
18
45°
23°
19
42°
23°
20
71°
30°
21
73°
32°
22
88°
53°
23
78°
40°
24
59°
31°
25
56°
39°
26
57°
27°
27
50°
36°
28
51°
31°
29
52°
28°
30
46°
30°
1
56°
35°
2
68°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hillsboro
Hillsboro's April 2026 forecast shows daily high temperatures ranging from 46° to 68°, with overnight lows between 30° and 38°. The average high for April is 57° with an average low of 34°. 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 Hillsboro. See also: May | June | July.
