S
M
T
W
T
F
S
26
65°
51°
27
67°
48°
28
74°
44°
29
75°
45°
30
73°
48°
1
80°
53°
2
80°
53°
3
68°
56°
4
67°
53°
5
64°
45°
6
77°
47°
7
82°
53°
8
85°
53°
9
86°
53°
10
80°
56°
11
85°
57°
12
79°
57°
13
76°
56°
14
76°
54°
15
76°
55°
16
75°
56°
17
78°
54°
18
77°
53°
19
79°
58°
20
81°
57°
21
80°
57°
22
80°
58°
23
81°
58°
24
82°
57°
25
81°
58°
26
80°
57°
27
80°
55°
28
73°
54°
29
72°
53°
30
74°
53°
31
73°
55°
1
74°
56°
2
76°
55°
3
75°
55°
4
75°
56°
5
76°
55°
6
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Temecula
Temecula's May 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 45° and 58°. The average high for May is 78° with an average low of 55°. 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 Temecula. See also: June | July | August.
