S
M
T
W
T
F
S
26
66°
42°
27
65°
39°
28
67°
38°
29
73°
34°
30
77°
41°
1
79°
41°
2
82°
42°
3
80°
37°
4
72°
42°
5
69°
42°
6
83°
43°
7
88°
40°
8
90°
44°
9
90°
49°
10
94°
42°
11
95°
47°
12
95°
49°
13
88°
52°
14
89°
54°
15
91°
52°
16
83°
50°
17
84°
46°
18
81°
46°
19
88°
47°
20
90°
52°
21
91°
54°
22
91°
54°
23
93°
53°
24
91°
51°
25
87°
50°
26
86°
47°
27
78°
43°
28
79°
42°
29
79°
43°
30
81°
46°
31
85°
50°
1
89°
52°
2
91°
53°
3
91°
53°
4
85°
44°
5
83°
49°
6
87°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Round Valley
Round Valley's May 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 42° and 54°. The average high for May is 86° with an average low of 49°. 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 Round Valley. See also: June | July | August.
