S
M
T
W
T
F
S
26
84°
58°
27
84°
59°
28
76°
63°
29
80°
61°
30
67°
52°
1
69°
50°
2
67°
44°
3
68°
43°
4
78°
52°
5
80°
63°
6
72°
55°
7
66°
43°
8
67°
46°
9
74°
53°
10
75°
53°
11
77°
57°
12
79°
54°
13
75°
54°
14
80°
55°
15
77°
59°
16
80°
59°
17
81°
60°
18
80°
60°
19
80°
59°
20
81°
61°
21
82°
61°
22
82°
60°
23
81°
61°
24
77°
61°
25
80°
62°
26
81°
62°
27
78°
61°
28
77°
59°
29
81°
61°
30
79°
58°
31
79°
61°
1
82°
63°
2
85°
64°
3
85°
64°
4
84°
63°
5
78°
63°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Garth
Garth's May 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 43° and 64°. The average high for May is 78° with an average low of 57°. 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 Garth. See also: June | July | August.