S
M
T
W
T
F
S
26
65°
53°
27
69°
51°
28
77°
55°
29
72°
57°
30
75°
56°
1
80°
58°
2
81°
59°
3
79°
58°
4
73°
57°
5
74°
56°
6
77°
59°
7
80°
58°
8
79°
59°
9
79°
60°
10
82°
59°
11
83°
59°
12
84°
60°
13
85°
61°
14
85°
61°
15
86°
60°
16
85°
61°
17
83°
59°
18
81°
56°
19
79°
56°
20
79°
57°
21
82°
57°
22
82°
58°
23
85°
61°
24
86°
62°
25
87°
63°
26
86°
62°
27
87°
64°
28
88°
64°
29
87°
63°
30
87°
63°
31
83°
61°
1
83°
59°
2
84°
59°
3
84°
57°
4
80°
57°
5
80°
58°
6
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Duarte
Duarte's May 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 51° and 64°. The average high for May is 81° with an average low of 59°. 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 Duarte. See also: June | July | August.