S
M
T
W
T
F
S
26
77°
52°
27
76°
48°
28
71°
50°
29
71°
53°
30
70°
50°
1
70°
48°
2
71°
48°
3
72°
48°
4
73°
50°
5
73°
47°
6
74°
49°
7
76°
48°
8
77°
51°
9
77°
52°
10
76°
49°
11
74°
47°
12
75°
48°
13
75°
51°
14
78°
52°
15
82°
52°
16
77°
51°
17
75°
50°
18
78°
54°
19
83°
55°
20
86°
56°
21
85°
56°
22
78°
54°
23
79°
55°
24
85°
57°
25
81°
49°
26
84°
54°
27
87°
57°
28
90°
55°
29
89°
52°
30
88°
51°
31
86°
53°
1
89°
55°
2
90°
59°
3
92°
57°
4
88°
57°
5
91°
55°
6
91°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rancho Murieta
Rancho Murieta's May 2026 forecast shows daily high temperatures ranging from 70° to 92°, with overnight lows between 47° and 60°. The average high for May is 80° with an average low of 52°. 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 Rancho Murieta. See also: June | July | August.
