S
M
T
W
T
F
S
26
29°
18°
27
37°
21°
28
48°
24°
29
57°
29°
30
67°
34°
1
70°
42°
2
67°
36°
3
64°
38°
4
42°
32°
5
47°
22°
6
57°
27°
7
67°
42°
8
63°
37°
9
60°
30°
10
75°
38°
11
69°
43°
12
73°
39°
13
82°
43°
14
60°
43°
15
43°
31°
16
38°
30°
17
53°
32°
18
58°
34°
19
61°
40°
20
58°
40°
21
64°
44°
22
59°
41°
23
64°
42°
24
71°
46°
25
69°
45°
26
66°
45°
27
67°
44°
28
71°
47°
29
65°
43°
30
65°
49°
31
64°
48°
1
68°
48°
2
70°
49°
3
70°
50°
4
68°
50°
5
61°
49°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Freemont
Freemont's May 2026 forecast shows daily high temperatures ranging from 38° to 71°, with overnight lows between 30° and 50°. The average high for May is 63° with an average low of 44°. 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 Freemont. See also: June | July | August.