S
M
T
W
T
F
S
26
72°
44°
27
75°
46°
28
72°
49°
29
76°
45°
30
74°
47°
1
70°
43°
2
65°
45°
3
64°
40°
4
69°
46°
5
64°
46°
6
65°
48°
7
68°
48°
8
66°
42°
9
64°
42°
10
64°
41°
11
65°
40°
12
67°
43°
13
68°
45°
14
65°
43°
15
65°
43°
16
68°
44°
17
67°
43°
18
71°
49°
19
68°
50°
20
68°
51°
21
69°
48°
22
68°
47°
23
67°
47°
24
68°
44°
25
70°
46°
26
71°
49°
27
75°
49°
28
77°
52°
29
74°
51°
30
73°
48°
31
74°
50°
1
72°
48°
2
76°
52°
3
79°
54°
4
80°
45°
5
72°
52°
6
77°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tri-City
Tri-City's May 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 40° and 54°. The average high for May is 70° with an average low of 47°. 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 Tri-City. See also: June | July | August.
