S
M
T
W
T
F
S
26
80°
59°
27
79°
56°
28
70°
61°
29
80°
61°
30
65°
54°
1
64°
47°
2
64°
48°
3
68°
41°
4
75°
45°
5
75°
51°
6
78°
63°
7
67°
53°
8
68°
48°
9
72°
52°
10
79°
59°
11
73°
56°
12
73°
54°
13
78°
53°
14
71°
49°
15
77°
46°
16
82°
54°
17
87°
58°
18
86°
64°
19
85°
67°
20
84°
67°
21
79°
68°
22
73°
67°
23
82°
66°
24
78°
66°
25
76°
67°
26
82°
68°
27
80°
68°
28
81°
68°
29
74°
68°
30
78°
64°
31
79°
63°
1
79°
62°
2
78°
63°
3
79°
64°
4
77°
60°
5
80°
64°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Walnut Grove
Walnut Grove's May 2026 forecast shows daily high temperatures ranging from 74° to 82°, with overnight lows between 60° and 68°. The average high for May is 79° with an average low of 65°. 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 Walnut Grove. See also: June | July | August.
