S
M
T
W
T
F
S
26
84°
58°
27
84°
59°
28
76°
63°
29
80°
61°
30
67°
52°
1
69°
47°
2
69°
45°
3
68°
41°
4
80°
45°
5
77°
64°
6
71°
57°
7
69°
48°
8
74°
50°
9
81°
57°
10
77°
54°
11
67°
42°
12
70°
48°
13
77°
54°
14
81°
60°
15
81°
60°
16
82°
62°
17
82°
61°
18
79°
56°
19
81°
60°
20
79°
60°
21
77°
55°
22
75°
53°
23
73°
52°
24
74°
54°
25
76°
56°
26
76°
54°
27
74°
54°
28
76°
55°
29
77°
56°
30
80°
61°
31
79°
63°
1
81°
63°
2
78°
62°
3
79°
59°
4
79°
60°
5
82°
64°
6
85°
65°
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 67° to 85°, with overnight lows between 42° and 65°. The average high for May is 77° 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.