S
M
T
W
T
F
S
26
38°
24°
27
34°
25°
28
30°
23°
29
37°
19°
30
44°
11°
1
49°
31°
2
49°
33°
3
40°
21°
4
29°
17°
5
28°
21°
6
34°
21°
7
37°
17°
8
37°
25°
9
36°
28°
10
48°
30°
11
56°
30°
12
47°
27°
13
58°
21°
14
56°
33°
15
33°
24°
16
36°
24°
17
44°
28°
18
44°
27°
19
51°
29°
20
56°
31°
21
64°
29°
22
68°
37°
23
71°
40°
24
70°
43°
25
63°
42°
26
63°
38°
27
69°
49°
28
84°
55°
29
81°
55°
30
85°
58°
31
85°
55°
1
86°
54°
2
68°
42°
3
66°
41°
4
69°
42°
5
68°
47°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Split Lake
Split Lake's May 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 41° and 58°. The average high for May is 76° with an average low of 50°. 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 Split Lake. See also: June | July | August.
