S
M
T
W
T
F
S
26
57°
21°
27
48°
34°
28
48°
23°
29
50°
28°
30
48°
30°
1
63°
25°
2
72°
41°
3
75°
32°
4
50°
34°
5
39°
27°
6
50°
25°
7
61°
23°
8
66°
32°
9
59°
32°
10
59°
27°
11
81°
39°
12
73°
45°
13
81°
34°
14
77°
61°
15
71°
41°
16
64°
39°
17
44°
38°
18
48°
35°
19
50°
34°
20
64°
41°
21
67°
44°
22
74°
49°
23
73°
50°
24
74°
53°
25
69°
51°
26
71°
54°
27
73°
54°
28
71°
47°
29
64°
47°
30
65°
46°
31
65°
45°
1
66°
53°
2
67°
55°
3
75°
55°
4
76°
56°
5
76°
55°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harvey
Harvey's May 2026 forecast shows daily high temperatures ranging from 44° to 76°, with overnight lows between 34° and 56°. The average high for May is 67° with an average low of 48°. 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 Harvey. See also: June | July | August.
