S
M
T
W
T
F
S
26
67°
45°
27
66°
47°
28
61°
46°
29
57°
43°
30
55°
34°
1
51°
34°
2
52°
30°
3
63°
35°
4
77°
45°
5
57°
44°
6
56°
37°
7
58°
35°
8
66°
35°
9
70°
46°
10
61°
36°
11
63°
37°
12
63°
32°
13
61°
37°
14
66°
36°
15
67°
38°
16
81°
55°
17
84°
59°
18
83°
65°
19
82°
61°
20
66°
46°
21
67°
48°
22
73°
48°
23
62°
54°
24
69°
52°
25
80°
45°
26
83°
58°
27
85°
56°
28
76°
50°
29
78°
51°
30
76°
46°
31
72°
50°
1
75°
52°
2
76°
53°
3
74°
54°
4
75°
56°
5
79°
59°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Three Rivers
Three Rivers's May 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 46° and 60°. The average high for May is 78° with an average low of 54°. 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 Three Rivers. See also: June | July | August.
