S
M
T
W
T
F
S
26
81°
70°
27
86°
72°
28
82°
64°
29
82°
70°
30
81°
73°
1
82°
72°
2
82°
68°
3
79°
63°
4
82°
63°
5
84°
66°
6
86°
70°
7
86°
70°
8
84°
73°
9
90°
72°
10
88°
77°
11
88°
77°
12
84°
72°
13
82°
72°
14
82°
72°
15
88°
73°
16
87°
73°
17
90°
72°
18
87°
71°
19
86°
71°
20
90°
73°
21
89°
72°
22
91°
71°
23
90°
73°
24
90°
71°
25
89°
70°
26
90°
72°
27
88°
70°
28
90°
72°
29
89°
73°
30
89°
73°
31
88°
72°
1
86°
73°
2
85°
73°
3
86°
72°
4
87°
74°
5
88°
74°
6
88°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Port Richey
New Port Richey's May 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 70° and 74°. The average high for May is 88° with an average low of 72°. 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 New Port Richey. See also: June | July | August.