S
M
T
W
T
F
S
26
62°
51°
27
66°
45°
28
73°
44°
29
78°
46°
30
77°
48°
1
77°
51°
2
67°
54°
3
65°
50°
4
66°
50°
5
62°
52°
6
77°
52°
7
80°
53°
8
72°
52°
9
79°
49°
10
80°
53°
11
91°
49°
12
77°
52°
13
71°
52°
14
84°
47°
15
82°
50°
16
75°
49°
17
77°
48°
18
82°
57°
19
88°
48°
20
91°
54°
21
92°
55°
22
84°
51°
23
78°
52°
24
75°
53°
25
69°
53°
26
68°
53°
27
73°
51°
28
68°
53°
29
67°
55°
30
77°
52°
31
86°
46°
1
91°
53°
2
83°
53°
3
84°
52°
4
86°
54°
5
89°
54°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Livermore
Livermore's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Livermore. See also: June | July | August.