S
M
T
W
T
F
S
29
82°
49°
30
85°
64°
31
85°
68°
1
86°
67°
2
83°
70°
3
83°
70°
4
78°
53°
5
66°
54°
6
71°
51°
7
74°
56°
8
78°
59°
9
80°
64°
10
79°
66°
11
79°
66°
12
78°
63°
13
78°
61°
14
78°
60°
15
80°
56°
16
79°
60°
17
75°
61°
18
77°
61°
19
74°
60°
20
78°
62°
21
78°
62°
22
79°
63°
23
78°
63°
24
79°
62°
25
80°
63°
26
78°
63°
27
79°
62°
28
79°
64°
29
81°
64°
30
78°
63°
1
79°
64°
2
78°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Brenham
Brenham's April 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 51° and 70°. The average high for April is 78° with an average low of 62°. 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 Brenham. See also: May | June | July.