S
M
T
W
T
F
S
26
86°
61°
27
82°
70°
28
79°
64°
29
70°
61°
30
66°
52°
1
66°
48°
2
72°
45°
3
75°
45°
4
81°
55°
5
70°
59°
6
72°
52°
7
70°
48°
8
77°
48°
9
82°
55°
10
82°
61°
11
75°
52°
12
81°
48°
13
84°
53°
14
78°
58°
15
87°
68°
16
83°
64°
17
87°
68°
18
88°
69°
19
81°
65°
20
79°
63°
21
81°
64°
22
80°
60°
23
80°
60°
24
82°
62°
25
86°
65°
26
85°
63°
27
81°
68°
28
85°
67°
29
84°
67°
30
83°
66°
31
82°
64°
1
82°
64°
2
83°
67°
3
84°
68°
4
87°
68°
5
89°
70°
6
89°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Olive Branch
Olive Branch's May 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 53° and 70°. The average high for May is 84° with an average low of 65°. 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 Olive Branch. See also: June | July | August.