S
M
T
W
T
F
S
26
89°
66°
27
89°
68°
28
89°
68°
29
92°
64°
30
92°
64°
1
92°
67°
2
88°
60°
3
83°
59°
4
84°
59°
5
87°
63°
6
90°
67°
7
91°
67°
8
87°
64°
9
89°
66°
10
91°
67°
11
90°
66°
12
91°
66°
13
89°
67°
14
90°
65°
15
86°
68°
16
87°
67°
17
87°
68°
18
89°
69°
19
89°
68°
20
90°
69°
21
90°
69°
22
89°
70°
23
90°
70°
24
90°
69°
25
89°
70°
26
90°
70°
27
90°
70°
28
88°
70°
29
89°
71°
30
88°
70°
31
86°
71°
1
86°
71°
2
85°
70°
3
86°
71°
4
86°
72°
5
87°
72°
6
87°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blackwater
Blackwater's May 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 59° and 72°. The average high for May is 88° with an average low of 68°. 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 Blackwater. See also: June | July | August.