S
M
T
W
T
F
S
29
100°
68°
30
95°
72°
31
88°
75°
1
82°
64°
2
81°
67°
3
75°
63°
4
86°
63°
5
91°
70°
6
91°
66°
7
95°
61°
8
97°
64°
9
93°
66°
10
90°
70°
11
84°
66°
12
81°
64°
13
75°
63°
14
79°
54°
15
86°
57°
16
86°
63°
17
75°
59°
18
86°
63°
19
93°
59°
20
93°
66°
21
91°
68°
22
84°
63°
23
84°
61°
24
90°
57°
25
66°
46°
26
64°
46°
27
68°
46°
28
77°
55°
29
79°
56°
30
74°
55°
1
80°
57°
2
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Barnwell
Barnwell's April 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 46° and 60°. The average high for April is 74° with an average low of 53°. 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 Barnwell. See also: May | June | July.