S
M
T
W
T
F
S
26
85°
71°
27
88°
74°
28
82°
72°
29
73°
60°
30
64°
60°
1
63°
54°
2
75°
48°
3
80°
48°
4
80°
59°
5
83°
69°
6
66°
55°
7
71°
51°
8
79°
56°
9
86°
67°
10
81°
63°
11
76°
60°
12
82°
53°
13
87°
55°
14
89°
62°
15
88°
68°
16
87°
72°
17
91°
75°
18
89°
78°
19
83°
64°
20
79°
62°
21
75°
65°
22
84°
68°
23
82°
65°
24
85°
68°
25
88°
66°
26
85°
66°
27
84°
66°
28
84°
67°
29
89°
70°
30
88°
72°
31
91°
68°
1
87°
65°
2
86°
62°
3
83°
61°
4
84°
64°
5
85°
67°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grand Saline
Grand Saline's May 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 61° and 72°. The average high for May is 86° with an average low of 66°. 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 Grand Saline. See also: June | July | August.
