S
M
T
W
T
F
S
26
85°
62°
27
85°
72°
28
83°
66°
29
69°
60°
30
66°
54°
1
66°
51°
2
71°
45°
3
75°
45°
4
81°
58°
5
72°
60°
6
72°
50°
7
68°
51°
8
75°
50°
9
82°
56°
10
81°
59°
11
76°
55°
12
83°
55°
13
85°
53°
14
80°
62°
15
90°
68°
16
88°
67°
17
87°
69°
18
84°
70°
19
79°
64°
20
80°
62°
21
79°
64°
22
86°
68°
23
84°
67°
24
86°
68°
25
85°
63°
26
85°
67°
27
86°
68°
28
86°
68°
29
87°
67°
30
87°
68°
31
86°
68°
1
86°
67°
2
88°
69°
3
88°
70°
4
86°
70°
5
87°
69°
6
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spear Lake
Spear Lake's May 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 53° and 70°. The average high for May is 85° with an average low of 66°. 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 Spear Lake. See also: June | July | August.