S
M
T
W
T
F
S
26
79°
55°
27
82°
49°
28
75°
54°
29
74°
54°
30
68°
46°
1
70°
41°
2
61°
39°
3
64°
37°
4
77°
48°
5
79°
57°
6
72°
59°
7
65°
44°
8
60°
47°
9
64°
46°
10
67°
51°
11
68°
54°
12
68°
49°
13
68°
51°
14
71°
54°
15
72°
52°
16
70°
51°
17
76°
54°
18
78°
56°
19
77°
56°
20
78°
57°
21
77°
55°
22
75°
49°
23
71°
48°
24
71°
50°
25
73°
52°
26
74°
51°
27
72°
50°
28
73°
51°
29
74°
53°
30
76°
56°
31
75°
58°
1
78°
60°
2
76°
59°
3
76°
59°
4
77°
57°
5
79°
60°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jonesborough
Jonesborough's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 37° and 61°. The average high for May is 73° with an average low of 53°. 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 Jonesborough. See also: June | July | August.
