S
M
T
W
T
F
S
26
82°
58°
27
83°
72°
28
79°
67°
29
69°
60°
30
66°
52°
1
69°
49°
2
73°
44°
3
80°
41°
4
81°
60°
5
73°
60°
6
60°
50°
7
71°
46°
8
75°
46°
9
85°
59°
10
78°
56°
11
76°
49°
12
80°
54°
13
88°
57°
14
86°
60°
15
86°
63°
16
90°
67°
17
89°
66°
18
89°
65°
19
88°
65°
20
87°
66°
21
90°
68°
22
82°
60°
23
78°
63°
24
81°
64°
25
84°
64°
26
85°
65°
27
86°
65°
28
86°
64°
29
85°
65°
30
87°
66°
31
86°
66°
1
86°
67°
2
88°
67°
3
88°
66°
4
86°
67°
5
87°
66°
6
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Parnell
Parnell's May 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 49° and 68°. The average high for May is 85° with an average low of 63°. 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 Parnell. See also: June | July | August.