S
M
T
W
T
F
S
26
80°
59°
27
83°
55°
28
73°
58°
29
73°
49°
30
65°
45°
1
67°
47°
2
58°
36°
3
63°
42°
4
66°
47°
5
67°
50°
6
73°
53°
7
65°
45°
8
62°
39°
9
65°
42°
10
67°
47°
11
70°
48°
12
72°
50°
13
71°
55°
14
75°
54°
15
72°
56°
16
74°
56°
17
76°
55°
18
76°
56°
19
75°
57°
20
76°
57°
21
76°
56°
22
78°
58°
23
77°
58°
24
72°
57°
25
75°
58°
26
77°
59°
27
74°
58°
28
73°
56°
29
76°
58°
30
74°
55°
31
74°
58°
1
78°
59°
2
80°
60°
3
81°
60°
4
81°
59°
5
73°
58°
6
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harriman
Harriman's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 36° and 60°. The average high for May is 72° with an average low of 53°. 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 Harriman. See also: June | July | August.
