S
M
T
W
T
F
S
26
63°
52°
27
65°
48°
28
70°
49°
29
74°
51°
30
73°
52°
1
69°
52°
2
64°
52°
3
67°
52°
4
65°
51°
5
66°
53°
6
71°
51°
7
69°
52°
8
70°
53°
9
74°
52°
10
75°
52°
11
77°
51°
12
78°
52°
13
78°
53°
14
70°
48°
15
66°
50°
16
66°
49°
17
67°
47°
18
65°
50°
19
66°
46°
20
68°
49°
21
71°
51°
22
73°
52°
23
74°
55°
24
76°
54°
25
75°
53°
26
72°
52°
27
70°
51°
28
68°
50°
29
67°
49°
30
68°
50°
31
67°
50°
1
68°
49°
2
69°
50°
3
71°
52°
4
74°
54°
5
72°
51°
6
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Orinda
Orinda's May 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 46° and 55°. The average high for May is 70° with an average low of 51°. 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 Orinda. See also: June | July | August.
