S
M
T
W
T
F
S
26
48°
38°
27
53°
31°
28
66°
29°
29
70°
33°
30
73°
40°
1
70°
47°
2
71°
49°
3
64°
44°
4
54°
39°
5
53°
40°
6
68°
44°
7
69°
46°
8
68°
48°
9
65°
47°
10
67°
47°
11
71°
48°
12
72°
50°
13
73°
48°
14
69°
45°
15
63°
41°
16
64°
42°
17
64°
42°
18
65°
43°
19
65°
42°
20
66°
43°
21
72°
47°
22
73°
50°
23
74°
49°
24
71°
47°
25
72°
49°
26
74°
50°
27
73°
49°
28
72°
47°
29
72°
46°
30
68°
45°
31
68°
45°
1
69°
46°
2
71°
47°
3
72°
48°
4
74°
49°
5
74°
50°
6
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palomar Mountain
Palomar Mountain's May 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 39° and 50°. The average high for May is 69° with an average low of 46°. 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 Mountain. See also: June | July | August.
