S
M
T
W
T
F
S
26
64°
54°
27
64°
54°
28
69°
49°
29
72°
50°
30
69°
51°
1
70°
54°
2
64°
55°
3
64°
55°
4
64°
54°
5
64°
54°
6
72°
55°
7
64°
54°
8
64°
54°
9
70°
54°
10
70°
54°
11
75°
54°
12
68°
53°
13
70°
55°
14
73°
54°
15
75°
52°
16
70°
54°
17
73°
50°
18
81°
61°
19
86°
55°
20
81°
54°
21
82°
55°
22
71°
52°
23
72°
55°
24
71°
52°
25
66°
52°
26
67°
51°
27
70°
53°
28
70°
52°
29
68°
53°
30
69°
49°
31
72°
51°
1
74°
53°
2
74°
54°
3
76°
54°
4
78°
55°
5
78°
53°
6
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palomar Park
Palomar Park's May 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 49° and 55°. The average high for May is 72° with an average low of 53°. 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 Palomar Park. See also: June | July | August.