S
M
T
W
T
F
S
26
82°
58°
27
83°
72°
28
79°
67°
29
69°
60°
30
66°
52°
1
67°
45°
2
71°
42°
3
77°
56°
4
81°
63°
5
77°
61°
6
71°
48°
7
72°
48°
8
77°
52°
9
79°
56°
10
78°
57°
11
82°
59°
12
83°
58°
13
82°
56°
14
81°
57°
15
83°
62°
16
83°
63°
17
84°
63°
18
84°
62°
19
83°
63°
20
84°
64°
21
84°
64°
22
83°
63°
23
80°
61°
24
83°
64°
25
85°
65°
26
80°
61°
27
79°
58°
28
82°
62°
29
85°
63°
30
86°
65°
31
87°
66°
1
87°
66°
2
88°
67°
3
88°
67°
4
87°
64°
5
82°
61°
6
82°
60°
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 67° to 88°, with overnight lows between 42° and 67°. The average high for May is 81° with an average low of 60°. 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.