S
M
T
W
T
F
S
26
52°
34°
27
48°
33°
28
41°
33°
29
60°
35°
30
62°
42°
1
64°
43°
2
70°
47°
3
73°
54°
4
69°
49°
5
65°
45°
6
57°
41°
7
55°
37°
8
49°
39°
9
65°
39°
10
53°
40°
11
66°
40°
12
70°
46°
13
51°
35°
14
43°
34°
15
37°
32°
16
36°
30°
17
39°
30°
18
52°
35°
19
49°
37°
20
59°
40°
21
66°
43°
22
74°
49°
23
72°
46°
24
69°
46°
25
62°
40°
26
56°
45°
27
65°
46°
28
71°
48°
29
65°
40°
30
60°
39°
31
65°
42°
1
69°
45°
2
70°
50°
3
75°
49°
4
63°
43°
5
58°
43°
6
59°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lake Easton State Park
Lake Easton State Park's May 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 39° and 50°. The average high for May is 66° 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 Lake Easton State Park. See also: June | July | August.