S
M
T
W
T
F
S
26
64°
52°
27
65°
53°
28
74°
46°
29
78°
51°
30
76°
55°
1
80°
57°
2
82°
56°
3
69°
57°
4
66°
55°
5
66°
54°
6
77°
50°
7
84°
55°
8
85°
57°
9
87°
58°
10
89°
59°
11
96°
60°
12
74°
60°
13
77°
60°
14
77°
57°
15
72°
58°
16
71°
59°
17
68°
59°
18
81°
56°
19
87°
52°
20
91°
59°
21
86°
59°
22
81°
57°
23
80°
59°
24
76°
60°
25
76°
55°
26
70°
57°
27
67°
55°
28
69°
52°
29
76°
54°
30
85°
59°
31
91°
62°
1
91°
62°
2
89°
62°
3
92°
63°
4
94°
62°
5
93°
62°
6
92°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highgrove
Highgrove's May 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 54° and 63°. The average high for May is 89° with an average low of 61°. 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 Highgrove. See also: June | July | August.