S
M
T
W
T
F
S
26
90°
67°
27
90°
74°
28
89°
72°
29
74°
62°
30
68°
58°
1
69°
54°
2
81°
52°
3
85°
51°
4
84°
60°
5
88°
70°
6
78°
54°
7
75°
52°
8
84°
54°
9
87°
64°
10
80°
66°
11
82°
61°
12
85°
52°
13
88°
66°
14
89°
68°
15
92°
72°
16
92°
72°
17
90°
74°
18
90°
72°
19
83°
67°
20
79°
68°
21
84°
67°
22
87°
66°
23
86°
65°
24
89°
67°
25
91°
70°
26
85°
65°
27
86°
69°
28
87°
68°
29
84°
69°
30
81°
69°
31
85°
68°
1
81°
69°
2
83°
70°
3
86°
70°
4
87°
69°
5
88°
71°
6
82°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Texarkana
South Texarkana's May 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 65° and 74°. The average high for May is 86° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in South Texarkana. See also: June | July | August.
