S
M
T
W
T
F
S
26
79°
59°
27
70°
55°
28
67°
52°
29
82°
60°
30
74°
60°
1
66°
56°
2
65°
48°
3
70°
41°
4
77°
46°
5
80°
52°
6
78°
64°
7
77°
56°
8
69°
51°
9
73°
55°
10
81°
57°
11
77°
58°
12
72°
53°
13
78°
50°
14
77°
56°
15
75°
46°
16
82°
53°
17
87°
62°
18
85°
65°
19
85°
65°
20
89°
65°
21
86°
67°
22
N/A
23
72°
64°
24
79°
66°
25
79°
67°
26
79°
67°
27
83°
63°
28
82°
66°
29
80°
62°
30
74°
55°
31
75°
57°
1
77°
58°
2
77°
60°
3
80°
63°
4
80°
62°
5
82°
61°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Richland
Richland's May 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 55° and 67°. The average high for May is 78° with an average low of 62°. 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 Richland. See also: June | July | August.
