S
M
T
W
T
F
S
26
69°
53°
27
69°
56°
28
74°
51°
29
76°
52°
30
75°
55°
1
77°
58°
2
79°
57°
3
69°
56°
4
68°
53°
5
69°
54°
6
76°
56°
7
83°
59°
8
83°
59°
9
80°
58°
10
82°
57°
11
83°
58°
12
81°
58°
13
80°
57°
14
77°
58°
15
78°
55°
16
78°
57°
17
81°
58°
18
81°
59°
19
82°
59°
20
81°
58°
21
81°
59°
22
80°
59°
23
82°
58°
24
83°
60°
25
82°
59°
26
81°
59°
27
81°
58°
28
75°
57°
29
74°
56°
30
74°
56°
31
75°
58°
1
77°
59°
2
80°
60°
3
79°
59°
4
78°
58°
5
77°
57°
6
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Atwater
Atwater's May 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 53° and 60°. The average high for May is 79° with an average low of 58°. 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 Atwater. See also: June | July | August.