S
M
T
W
T
F
S
29
77°
40°
30
77°
63°
31
81°
64°
1
81°
67°
2
77°
67°
3
81°
68°
4
72°
48°
5
67°
39°
6
72°
36°
7
73°
37°
8
77°
44°
9
78°
48°
10
80°
59°
11
81°
54°
12
74°
66°
13
78°
68°
14
74°
68°
15
77°
60°
16
81°
60°
17
82°
64°
18
74°
40°
19
73°
41°
20
79°
46°
21
76°
55°
22
76°
61°
23
79°
68°
24
75°
60°
25
76°
57°
26
75°
59°
27
76°
56°
28
73°
58°
29
72°
47°
30
70°
49°
1
70°
53°
2
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harvey
Harvey's April 2026 forecast shows daily high temperatures ranging from 70° to 79°, with overnight lows between 41° and 68°. The average high for April is 75° with an average low of 54°. 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 Harvey. See also: May | June | July.