S
M
T
W
T
F
S
26
64°
52°
27
68°
47°
28
74°
47°
29
82°
50°
30
82°
51°
1
83°
53°
2
73°
53°
3
71°
53°
4
66°
54°
5
68°
54°
6
77°
52°
7
80°
54°
8
83°
54°
9
92°
55°
10
94°
58°
11
94°
56°
12
91°
57°
13
91°
56°
14
91°
58°
15
89°
57°
16
88°
55°
17
81°
52°
18
84°
56°
19
85°
57°
20
86°
57°
21
84°
55°
22
84°
55°
23
85°
57°
24
86°
57°
25
87°
56°
26
86°
56°
27
80°
55°
28
79°
55°
29
80°
56°
30
80°
56°
31
82°
58°
1
84°
58°
2
87°
57°
3
85°
58°
4
81°
57°
5
82°
56°
6
80°
55°
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 66° to 94°, with overnight lows between 52° and 58°. The average high for May is 84° with an average low of 56°. 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.
