S
M
T
W
T
F
S
29
74°
62°
30
75°
69°
31
80°
70°
1
82°
69°
2
83°
71°
3
82°
71°
4
83°
68°
5
72°
64°
6
67°
58°
7
76°
51°
8
76°
59°
9
74°
63°
10
76°
60°
11
81°
62°
12
81°
67°
13
84°
70°
14
86°
71°
15
84°
69°
16
86°
70°
17
85°
68°
18
88°
69°
19
87°
70°
20
87°
69°
21
88°
70°
22
79°
62°
23
81°
65°
24
82°
67°
25
80°
67°
26
81°
66°
27
82°
67°
28
79°
68°
29
82°
68°
30
81°
67°
1
81°
68°
2
82°
67°
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 74° to 88°, with overnight lows between 60° and 71°. The average high for April is 82° with an average low of 67°. 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.