S
M
T
W
T
F
S
26
63°
50°
27
68°
43°
28
72°
43°
29
79°
46°
30
81°
46°
1
81°
52°
2
73°
54°
3
66°
54°
4
59°
52°
5
64°
52°
6
72°
55°
7
81°
52°
8
82°
52°
9
84°
52°
10
86°
54°
11
91°
55°
12
88°
59°
13
79°
54°
14
86°
48°
15
86°
50°
16
79°
50°
17
75°
43°
18
82°
50°
19
86°
46°
20
88°
50°
21
90°
54°
22
90°
55°
23
84°
54°
24
84°
54°
25
73°
54°
26
70°
52°
27
72°
46°
28
72°
54°
29
72°
53°
30
80°
53°
31
86°
56°
1
92°
58°
2
93°
57°
3
84°
58°
4
89°
59°
5
88°
57°
6
85°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rocklin
Rocklin's May 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 53° and 59°. The average high for May is 85° with an average low of 56°. 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 Rocklin. See also: June | July | August.
