S
M
T
W
T
F
S
26
62°
47°
27
68°
48°
28
77°
42°
29
80°
45°
30
82°
45°
1
74°
49°
2
65°
48°
3
64°
47°
4
63°
48°
5
68°
47°
6
73°
50°
7
72°
50°
8
71°
51°
9
76°
50°
10
79°
50°
11
79°
49°
12
81°
52°
13
81°
52°
14
72°
46°
15
68°
47°
16
69°
47°
17
68°
45°
18
68°
49°
19
67°
44°
20
71°
46°
21
73°
49°
22
76°
51°
23
77°
53°
24
78°
52°
25
78°
52°
26
77°
51°
27
75°
48°
28
71°
49°
29
70°
48°
30
71°
49°
31
71°
48°
1
72°
48°
2
74°
49°
3
75°
52°
4
78°
53°
5
77°
51°
6
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Angwin
Angwin's May 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 44° and 53°. The average high for May is 73° with an average low of 49°. 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 Angwin. See also: June | July | August.